mobile: initial wrappers for mobile support

This commit is contained in:
Péter Szilágyi 2016-09-05 19:07:57 +03:00
parent d89ea3e6f9
commit 178da7c6a9
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33 changed files with 2594 additions and 33 deletions

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@ -62,6 +62,21 @@ matrix:
- go run build/ci.go install - go run build/ci.go install
- go run build/ci.go archive -type tar -signer OSX_SIGNING_KEY -upload gethstore/builds - go run build/ci.go archive -type tar -signer OSX_SIGNING_KEY -upload gethstore/builds
# This builder does the mobile builds (and nothing else)
- os: osx
go: 1.7
script:
- brew update
- brew install android-sdk
- export ANDROID_HOME=/usr/local/opt/android-sdk
- echo "y" | android update sdk --no-ui --filter platform
- go get github.com/tools/godep
- godep restore
- go get golang.org/x/mobile/cmd/gomobile
- gomobile init
- gomobile bind --target=android --javapkg=org.ethereum -v github.com/ethereum/go-ethereum/mobile
- gomobile bind --target=ios --tags=ios -v github.com/ethereum/go-ethereum/mobile
install: install:
- go get golang.org/x/tools/cmd/cover - go get golang.org/x/tools/cmd/cover
script: script:

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@ -32,11 +32,20 @@ import (
"golang.org/x/tools/imports" "golang.org/x/tools/imports"
) )
// Lang is a target programming language selector to generate bindings for.
type Lang int
const (
LangGo Lang = iota
LangJava
LangObjC
)
// Bind generates a Go wrapper around a contract ABI. This wrapper isn't meant // Bind generates a Go wrapper around a contract ABI. This wrapper isn't meant
// to be used as is in client code, but rather as an intermediate struct which // to be used as is in client code, but rather as an intermediate struct which
// enforces compile time type safety and naming convention opposed to having to // enforces compile time type safety and naming convention opposed to having to
// manually maintain hard coded strings that break on runtime. // manually maintain hard coded strings that break on runtime.
func Bind(types []string, abis []string, bytecodes []string, pkg string) (string, error) { func Bind(types []string, abis []string, bytecodes []string, pkg string, lang Lang) (string, error) {
// Process each individual contract requested binding // Process each individual contract requested binding
contracts := make(map[string]*tmplContract) contracts := make(map[string]*tmplContract)
@ -62,7 +71,7 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string) (string
for _, original := range evmABI.Methods { for _, original := range evmABI.Methods {
// Normalize the method for capital cases and non-anonymous inputs/outputs // Normalize the method for capital cases and non-anonymous inputs/outputs
normalized := original normalized := original
normalized.Name = capitalise(original.Name) normalized.Name = methodNormalizer[lang](original.Name)
normalized.Inputs = make([]abi.Argument, len(original.Inputs)) normalized.Inputs = make([]abi.Argument, len(original.Inputs))
copy(normalized.Inputs, original.Inputs) copy(normalized.Inputs, original.Inputs)
@ -78,7 +87,7 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string) (string
normalized.Outputs[j].Name = capitalise(output.Name) normalized.Outputs[j].Name = capitalise(output.Name)
} }
} }
// Append the methos to the call or transact lists // Append the methods to the call or transact lists
if original.Const { if original.Const {
calls[original.Name] = &tmplMethod{Original: original, Normalized: normalized, Structured: structured(original)} calls[original.Name] = &tmplMethod{Original: original, Normalized: normalized, Structured: structured(original)}
} else { } else {
@ -87,7 +96,7 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string) (string
} }
contracts[types[i]] = &tmplContract{ contracts[types[i]] = &tmplContract{
Type: capitalise(types[i]), Type: capitalise(types[i]),
InputABI: strippedABI, InputABI: strings.Replace(strippedABI, "\"", "\\\"", -1),
InputBin: strings.TrimSpace(bytecodes[i]), InputBin: strings.TrimSpace(bytecodes[i]),
Constructor: evmABI.Constructor, Constructor: evmABI.Constructor,
Calls: calls, Calls: calls,
@ -102,9 +111,12 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string) (string
buffer := new(bytes.Buffer) buffer := new(bytes.Buffer)
funcs := map[string]interface{}{ funcs := map[string]interface{}{
"bindtype": bindType, "bindtype": bindType[lang],
"namedtype": namedType[lang],
"capitalise": capitalise,
"decapitalise": decapitalise,
} }
tmpl := template.Must(template.New("").Funcs(funcs).Parse(tmplSource)) tmpl := template.Must(template.New("").Funcs(funcs).Parse(tmplSource[lang]))
if err := tmpl.Execute(buffer, data); err != nil { if err := tmpl.Execute(buffer, data); err != nil {
return "", err return "", err
} }
@ -116,10 +128,17 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string) (string
return string(code), nil return string(code), nil
} }
// bindType converts a Solidity type to a Go one. Since there is no clear mapping // bindType is a set of type binders that convert Solidity types to some supported
// programming language.
var bindType = map[Lang]func(kind abi.Type) string{
LangGo: bindTypeGo,
LangJava: bindTypeJava,
}
// bindTypeGo converts a Solidity type to a Go one. Since there is no clear mapping
// from all Solidity types to Go ones (e.g. uint17), those that cannot be exactly // from all Solidity types to Go ones (e.g. uint17), those that cannot be exactly
// mapped will use an upscaled type (e.g. *big.Int). // mapped will use an upscaled type (e.g. *big.Int).
func bindType(kind abi.Type) string { func bindTypeGo(kind abi.Type) string {
stringKind := kind.String() stringKind := kind.String()
switch { switch {
@ -160,11 +179,137 @@ func bindType(kind abi.Type) string {
} }
} }
// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
// mapped will use an upscaled type (e.g. BigDecimal).
func bindTypeJava(kind abi.Type) string {
stringKind := kind.String()
switch {
case strings.HasPrefix(stringKind, "address"):
parts := regexp.MustCompile("address(\\[[0-9]*\\])?").FindStringSubmatch(stringKind)
if len(parts) != 2 {
return stringKind
}
if parts[1] == "" {
return fmt.Sprintf("Address")
}
return fmt.Sprintf("Addresses")
case strings.HasPrefix(stringKind, "bytes"):
parts := regexp.MustCompile("bytes([0-9]*)(\\[[0-9]*\\])?").FindStringSubmatch(stringKind)
if len(parts) != 3 {
return stringKind
}
if parts[2] != "" {
return "byte[][]"
}
return "byte[]"
case strings.HasPrefix(stringKind, "int") || strings.HasPrefix(stringKind, "uint"):
parts := regexp.MustCompile("(u)?int([0-9]*)(\\[[0-9]*\\])?").FindStringSubmatch(stringKind)
if len(parts) != 4 {
return stringKind
}
switch parts[2] {
case "8", "16", "32", "64":
if parts[1] == "" {
if parts[3] == "" {
return fmt.Sprintf("int%s", parts[2])
}
return fmt.Sprintf("int%s[]", parts[2])
}
}
if parts[3] == "" {
return fmt.Sprintf("BigInt")
}
return fmt.Sprintf("BigInts")
case strings.HasPrefix(stringKind, "bool"):
parts := regexp.MustCompile("bool(\\[[0-9]*\\])?").FindStringSubmatch(stringKind)
if len(parts) != 2 {
return stringKind
}
if parts[1] == "" {
return fmt.Sprintf("bool")
}
return fmt.Sprintf("bool[]")
case strings.HasPrefix(stringKind, "string"):
parts := regexp.MustCompile("string(\\[[0-9]*\\])?").FindStringSubmatch(stringKind)
if len(parts) != 2 {
return stringKind
}
if parts[1] == "" {
return fmt.Sprintf("String")
}
return fmt.Sprintf("String[]")
default:
return stringKind
}
}
// namedType is a set of functions that transform language specific types to
// named versions that my be used inside method names.
var namedType = map[Lang]func(string, abi.Type) string{
LangGo: func(string, abi.Type) string { panic("this shouldn't be needed") },
LangJava: namedTypeJava,
}
// namedTypeJava converts some primitive data types to named variants that can
// be used as parts of method names.
func namedTypeJava(javaKind string, solKind abi.Type) string {
switch javaKind {
case "byte[]":
return "Binary"
case "byte[][]":
return "Binaries"
case "string":
return "String"
case "string[]":
return "Strings"
case "bool":
return "Bool"
case "bool[]":
return "Bools"
case "BigInt":
parts := regexp.MustCompile("(u)?int([0-9]*)(\\[[0-9]*\\])?").FindStringSubmatch(solKind.String())
if len(parts) != 4 {
return javaKind
}
switch parts[2] {
case "8", "16", "32", "64":
if parts[3] == "" {
return capitalise(fmt.Sprintf("%sint%s", parts[1], parts[2]))
}
return capitalise(fmt.Sprintf("%sint%ss", parts[1], parts[2]))
default:
return javaKind
}
default:
return javaKind
}
}
// methodNormalizer is a name transformer that modifies Solidity method names to
// conform to target language naming concentions.
var methodNormalizer = map[Lang]func(string) string{
LangGo: capitalise,
LangJava: decapitalise,
}
// capitalise makes the first character of a string upper case. // capitalise makes the first character of a string upper case.
func capitalise(input string) string { func capitalise(input string) string {
return strings.ToUpper(input[:1]) + input[1:] return strings.ToUpper(input[:1]) + input[1:]
} }
// decapitalise makes the first character of a string lower case.
func decapitalise(input string) string {
return strings.ToLower(input[:1]) + input[1:]
}
// structured checks whether a method has enough information to return a proper // structured checks whether a method has enough information to return a proper
// Go struct ot if flat returns are needed. // Go struct ot if flat returns are needed.
func structured(method abi.Method) bool { func structured(method abi.Method) bool {

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@ -398,7 +398,7 @@ func TestBindings(t *testing.T) {
// Generate the test suite for all the contracts // Generate the test suite for all the contracts
for i, tt := range bindTests { for i, tt := range bindTests {
// Generate the binding and create a Go source file in the workspace // Generate the binding and create a Go source file in the workspace
bind, err := Bind([]string{tt.name}, []string{tt.abi}, []string{tt.bytecode}, "bindtest") bind, err := Bind([]string{tt.name}, []string{tt.abi}, []string{tt.bytecode}, "bindtest", LangGo)
if err != nil { if err != nil {
t.Fatalf("test %d: failed to generate binding: %v", i, err) t.Fatalf("test %d: failed to generate binding: %v", i, err)
} }

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@ -42,9 +42,16 @@ type tmplMethod struct {
Structured bool // Whether the returns should be accumulated into a contract Structured bool // Whether the returns should be accumulated into a contract
} }
// tmplSource is the Go source template use to generate the contract binding // tmplSource is language to template mapping containing all the supported
// programming languages the package can generate to.
var tmplSource = map[Lang]string{
LangGo: tmplSourceGo,
LangJava: tmplSourceJava,
}
// tmplSourceGo is the Go source template use to generate the contract binding
// based on. // based on.
const tmplSource = ` const tmplSourceGo = `
// This file is an automatically generated Go binding. Do not modify as any // This file is an automatically generated Go binding. Do not modify as any
// change will likely be lost upon the next re-generation! // change will likely be lost upon the next re-generation!
@ -52,7 +59,7 @@ package {{.Package}}
{{range $contract := .Contracts}} {{range $contract := .Contracts}}
// {{.Type}}ABI is the input ABI used to generate the binding from. // {{.Type}}ABI is the input ABI used to generate the binding from.
const {{.Type}}ABI = ` + "`" + `{{.InputABI}}` + "`" + ` const {{.Type}}ABI = "{{.InputABI}}"
{{if .InputBin}} {{if .InputBin}}
// {{.Type}}Bin is the compiled bytecode used for deploying new contracts. // {{.Type}}Bin is the compiled bytecode used for deploying new contracts.
@ -258,3 +265,105 @@ package {{.Package}}
{{end}} {{end}}
{{end}} {{end}}
` `
// tmplSourceJava is the Java source template use to generate the contract binding
// based on.
const tmplSourceJava = `
// This file is an automatically generated Java binding. Do not modify as any
// change will likely be lost upon the next re-generation!
package {{.Package}};
import org.ethereum.geth.*;
import org.ethereum.geth.internal.*;
{{range $contract := .Contracts}}
public class {{.Type}} {
// ABI is the input ABI used to generate the binding from.
public final static String ABI = "{{.InputABI}}";
{{if .InputBin}}
// Bytecode is the compiled bytecode used for deploying new contracts.
public final static byte[] Bytecode = "{{.InputBin}}".getBytes();
// deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}});
{{range $index, $element := .Constructor.Inputs}}
args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}});
{{end}}
return new {{.Type}}(Geth.deployContract(auth, ABI, Bytecode, client, args));
}
// Internal constructor used by contract deployment.
private {{.Type}}(BoundContract deployment) {
this.Address = deployment.getAddress();
this.Deployer = deployment.getDeployer();
this.Contract = deployment;
}
{{end}}
// Ethereum address where this contract is located at.
public final Address Address;
// Ethereum transaction in which this contract was deployed (if known!).
public final Transaction Deployer;
// Contract instance bound to a blockchain address.
private final BoundContract Contract;
// Creates a new instance of {{.Type}}, bound to a specific deployed contract.
public {{.Type}}(Address address, EthereumClient client) throws Exception {
this(Geth.bindContract(address, ABI, client));
}
{{range .Calls}}
{{if gt (len .Normalized.Outputs) 1}}
// {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}.
public class {{capitalise .Normalized.Name}}Results {
{{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
{{end}}
}
{{end}}
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
{{range $index, $item := .Normalized.Inputs}}args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}});
{{end}}
Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}});
{{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type) .Type}}(); results.set({{$index}}, result{{$index}});
{{end}}
if (opts == null) {
opts = Geth.newCallOpts();
}
this.Contract.call(opts, results, "{{.Original.Name}}", args);
{{if gt (len .Normalized.Outputs) 1}}
{{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results();
{{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type) .Type}}();
{{end}}
return result;
{{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type) .Type}}();{{end}}
{{end}}
}
{{end}}
{{range .Transacts}}
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
{{range $index, $item := .Normalized.Inputs}}args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}});
{{end}}
return this.Contract.transact(opts, "{{.Original.Name}}" , args);
}
{{end}}
}
{{end}}
`

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@ -46,12 +46,20 @@ import (
const ( const (
keyHeaderKDF = "scrypt" keyHeaderKDF = "scrypt"
// n,r,p = 2^18, 8, 1 uses 256MB memory and approx 1s CPU time on a modern CPU. // StandardScryptN is the N parameter of Scrypt encryption algorithm, using 256MB
// memory and taking approximately 1s CPU time on a modern processor.
StandardScryptN = 1 << 18 StandardScryptN = 1 << 18
// StandardScryptP is the P parameter of Scrypt encryption algorithm, using 256MB
// memory and taking approximately 1s CPU time on a modern processor.
StandardScryptP = 1 StandardScryptP = 1
// n,r,p = 2^12, 8, 6 uses 4MB memory and approx 100ms CPU time on a modern CPU. // LightScryptN is the N parameter of Scrypt encryption algorithm, using 4MB
// memory and taking approximately 100ms CPU time on a modern processor.
LightScryptN = 1 << 12 LightScryptN = 1 << 12
// LightScryptP is the P parameter of Scrypt encryption algorithm, using 4MB
// memory and taking approximately 100ms CPU time on a modern processor.
LightScryptP = 6 LightScryptP = 6
scryptR = 8 scryptR = 8

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@ -31,14 +31,15 @@ import (
var ( var (
abiFlag = flag.String("abi", "", "Path to the Ethereum contract ABI json to bind") abiFlag = flag.String("abi", "", "Path to the Ethereum contract ABI json to bind")
binFlag = flag.String("bin", "", "Path to the Ethereum contract bytecode (generate deploy method)") binFlag = flag.String("bin", "", "Path to the Ethereum contract bytecode (generate deploy method)")
typFlag = flag.String("type", "", "Go struct name for the binding (default = package name)") typFlag = flag.String("type", "", "Struct name for the binding (default = package name)")
solFlag = flag.String("sol", "", "Path to the Ethereum contract Solidity source to build and bind") solFlag = flag.String("sol", "", "Path to the Ethereum contract Solidity source to build and bind")
solcFlag = flag.String("solc", "solc", "Solidity compiler to use if source builds are requested") solcFlag = flag.String("solc", "solc", "Solidity compiler to use if source builds are requested")
excFlag = flag.String("exc", "", "Comma separated types to exclude from binding") excFlag = flag.String("exc", "", "Comma separated types to exclude from binding")
pkgFlag = flag.String("pkg", "", "Go package name to generate the binding into") pkgFlag = flag.String("pkg", "", "Package name to generate the binding into")
outFlag = flag.String("out", "", "Output file for the generated binding (default = stdout)") outFlag = flag.String("out", "", "Output file for the generated binding (default = stdout)")
langFlag = flag.String("lang", "go", "Destination language for the bindings (go, java, objc)")
) )
func main() { func main() {
@ -53,7 +54,19 @@ func main() {
os.Exit(-1) os.Exit(-1)
} }
if *pkgFlag == "" { if *pkgFlag == "" {
fmt.Printf("No destination Go package specified (--pkg)\n") fmt.Printf("No destination package specified (--pkg)\n")
os.Exit(-1)
}
var lang bind.Lang
switch *langFlag {
case "go":
lang = bind.LangGo
case "java":
lang = bind.LangJava
case "objc":
lang = bind.LangObjC
default:
fmt.Printf("Unsupported destination language \"%s\" (--lang)\n", *langFlag)
os.Exit(-1) os.Exit(-1)
} }
// If the entire solidity code was specified, build and bind based on that // If the entire solidity code was specified, build and bind based on that
@ -108,7 +121,7 @@ func main() {
types = append(types, kind) types = append(types, kind)
} }
// Generate the contract binding // Generate the contract binding
code, err := bind.Bind(types, abis, bins, *pkgFlag) code, err := bind.Bind(types, abis, bins, *pkgFlag, lang)
if err != nil { if err != nil {
fmt.Printf("Failed to generate ABI binding: %v\n", err) fmt.Printf("Failed to generate ABI binding: %v\n", err)
os.Exit(-1) os.Exit(-1)

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@ -16,11 +16,15 @@
package utils package utils
import "github.com/ethereum/go-ethereum/p2p/discover" import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/params"
)
// FrontierBootNodes are the enode URLs of the P2P bootstrap nodes running on // MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on
// the Frontier network. // the main Ethereum network.
var FrontierBootNodes = []*discover.Node{ var MainnetBootnodes = []*discover.Node{
// ETH/DEV Go Bootnodes // ETH/DEV Go Bootnodes
discover.MustParseNode("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303"), // IE discover.MustParseNode("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303"), // IE
discover.MustParseNode("enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303"), // BR discover.MustParseNode("enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303"), // BR
@ -30,12 +34,26 @@ var FrontierBootNodes = []*discover.Node{
discover.MustParseNode("enode://979b7fa28feeb35a4741660a16076f1943202cb72b6af70d327f053e248bab9ba81760f39d0701ef1d8f89cc1fbd2cacba0710a12cd5314d5e0c9021aa3637f9@5.1.83.226:30303"), discover.MustParseNode("enode://979b7fa28feeb35a4741660a16076f1943202cb72b6af70d327f053e248bab9ba81760f39d0701ef1d8f89cc1fbd2cacba0710a12cd5314d5e0c9021aa3637f9@5.1.83.226:30303"),
} }
// TestNetBootNodes are the enode URLs of the P2P bootstrap nodes running on the // TestnetBootnodes are the enode URLs of the P2P bootstrap nodes running on the
// Morden test network. // Morden test network.
var TestNetBootNodes = []*discover.Node{ var TestnetBootnodes = []*discover.Node{
// ETH/DEV Go Bootnodes // ETH/DEV Go Bootnodes
discover.MustParseNode("enode://e4533109cc9bd7604e4ff6c095f7a1d807e15b38e9bfeb05d3b7c423ba86af0a9e89abbf40bd9dde4250fef114cd09270fa4e224cbeef8b7bf05a51e8260d6b8@94.242.229.4:40404"), discover.MustParseNode("enode://e4533109cc9bd7604e4ff6c095f7a1d807e15b38e9bfeb05d3b7c423ba86af0a9e89abbf40bd9dde4250fef114cd09270fa4e224cbeef8b7bf05a51e8260d6b8@94.242.229.4:40404"),
discover.MustParseNode("enode://8c336ee6f03e99613ad21274f269479bf4413fb294d697ef15ab897598afb931f56beb8e97af530aee20ce2bcba5776f4a312bc168545de4d43736992c814592@94.242.229.203:30303"), discover.MustParseNode("enode://8c336ee6f03e99613ad21274f269479bf4413fb294d697ef15ab897598afb931f56beb8e97af530aee20ce2bcba5776f4a312bc168545de4d43736992c814592@94.242.229.203:30303"),
// ETH/DEV Cpp Bootnodes // ETH/DEV Cpp Bootnodes
} }
// MainnetChainConfig is the chain parameters to run a node on the main network.
var MainnetChainConfig = &core.ChainConfig{
HomesteadBlock: params.MainNetHomesteadBlock,
DAOForkBlock: params.MainNetDAOForkBlock,
DAOForkSupport: true,
}
// TestnetChainConfig is the chain parameters to run a node on the test network.
var TestnetChainConfig = &core.ChainConfig{
HomesteadBlock: params.TestNetHomesteadBlock,
DAOForkBlock: params.TestNetDAOForkBlock,
DAOForkSupport: false,
}

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@ -487,9 +487,9 @@ func MakeBootstrapNodes(ctx *cli.Context) []*discover.Node {
// Return pre-configured nodes if none were manually requested // Return pre-configured nodes if none were manually requested
if !ctx.GlobalIsSet(BootnodesFlag.Name) { if !ctx.GlobalIsSet(BootnodesFlag.Name) {
if ctx.GlobalBool(TestNetFlag.Name) { if ctx.GlobalBool(TestNetFlag.Name) {
return TestNetBootNodes return TestnetBootnodes
} }
return FrontierBootNodes return MainnetBootnodes
} }
// Otherwise parse and use the CLI bootstrap nodes // Otherwise parse and use the CLI bootstrap nodes
bootnodes := []*discover.Node{} bootnodes := []*discover.Node{}

View File

@ -35,7 +35,10 @@ const (
var hashJsonLengthErr = errors.New("common: unmarshalJSON failed: hash must be exactly 32 bytes") var hashJsonLengthErr = errors.New("common: unmarshalJSON failed: hash must be exactly 32 bytes")
type ( type (
Hash [HashLength]byte // Hash represents the 32 byte Keccak256 hash of arbitrary data.
Hash [HashLength]byte
// Address represents the 20 byte address of an Ethereum account.
Address [AddressLength]byte Address [AddressLength]byte
) )

View File

@ -79,7 +79,7 @@ func (n *BlockNonce) UnmarshalJSON(input []byte) error {
return nil return nil
} }
// Header represents Ethereum block headers. // Header represents a block header in the Ethereum blockchain.
type Header struct { type Header struct {
ParentHash common.Hash // Hash to the previous block ParentHash common.Hash // Hash to the previous block
UncleHash common.Hash // Uncles of this block UncleHash common.Hash // Uncles of this block
@ -214,7 +214,7 @@ type Body struct {
Uncles []*Header Uncles []*Header
} }
// Block represents a block in the Ethereum blockchain. // Block represents an entire block in the Ethereum blockchain.
type Block struct { type Block struct {
header *Header header *Header
uncles []*Header uncles []*Header

181
mobile/accounts.go Normal file
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@ -0,0 +1,181 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the accounts package to support client side key
// management on mobile platforms.
package geth
import (
"errors"
"time"
"github.com/ethereum/go-ethereum/accounts"
)
const (
// StandardScryptN is the N parameter of Scrypt encryption algorithm, using 256MB
// memory and taking approximately 1s CPU time on a modern processor.
StandardScryptN = int(accounts.StandardScryptN)
// StandardScryptP is the P parameter of Scrypt encryption algorithm, using 256MB
// memory and taking approximately 1s CPU time on a modern processor.
StandardScryptP = int(accounts.StandardScryptP)
// LightScryptN is the N parameter of Scrypt encryption algorithm, using 4MB
// memory and taking approximately 100ms CPU time on a modern processor.
LightScryptN = int(accounts.LightScryptN)
// LightScryptP is the P parameter of Scrypt encryption algorithm, using 4MB
// memory and taking approximately 100ms CPU time on a modern processor.
LightScryptP = int(accounts.LightScryptP)
)
// Account represents a stored key.
type Account struct{ account accounts.Account }
// Accounts represents a slice of accounts.
type Accounts struct{ accounts []accounts.Account }
// Size returns the number of accounts in the slice.
func (a *Accounts) Size() int {
return len(a.accounts)
}
// Get returns the account at the given index from the slice.
func (a *Accounts) Get(index int) (*Account, error) {
if index < 0 || index >= len(a.accounts) {
return nil, errors.New("index out of bounds")
}
return &Account{a.accounts[index]}, nil
}
// Set sets the account at the given index in the slice.
func (a *Accounts) Set(index int, account *Account) error {
if index < 0 || index >= len(a.accounts) {
return errors.New("index out of bounds")
}
a.accounts[index] = account.account
return nil
}
// GetAddress retrieves the address associated with the account.
func (a *Account) GetAddress() *Address {
return &Address{a.account.Address}
}
// GetFile retrieves the path of the file containing the account key.
func (a *Account) GetFile() string {
return a.account.File
}
// AccountManager manages a key storage directory on disk.
type AccountManager struct{ manager *accounts.Manager }
// NewAccountManager creates a manager for the given directory.
func NewAccountManager(keydir string, scryptN, scryptP int) *AccountManager {
return &AccountManager{manager: accounts.NewManager(keydir, scryptN, scryptP)}
}
// HasAddress reports whether a key with the given address is present.
func (am *AccountManager) HasAddress(addr *Address) bool {
return am.manager.HasAddress(addr.address)
}
// GetAccounts returns all key files present in the directory.
func (am *AccountManager) GetAccounts() *Accounts {
return &Accounts{am.manager.Accounts()}
}
// DeleteAccount deletes the key matched by account if the passphrase is correct.
// If a contains no filename, the address must match a unique key.
func (am *AccountManager) DeleteAccount(a *Account, passphrase string) error {
return am.manager.DeleteAccount(accounts.Account{
Address: a.account.Address,
File: a.account.File,
}, passphrase)
}
// Sign signs hash with an unlocked private key matching the given address.
func (am *AccountManager) Sign(addr *Address, hash []byte) ([]byte, error) {
return am.manager.Sign(addr.address, hash)
}
// SignWithPassphrase signs hash if the private key matching the given address can be
// decrypted with the given passphrase.
func (am *AccountManager) SignWithPassphrase(addr *Address, passphrase string, hash []byte) ([]byte, error) {
return am.manager.SignWithPassphrase(addr.address, passphrase, hash)
}
// Unlock unlocks the given account indefinitely.
func (am *AccountManager) Unlock(a *Account, passphrase string) error {
return am.manager.TimedUnlock(a.account, passphrase, 0)
}
// Lock removes the private key with the given address from memory.
func (am *AccountManager) Lock(addr *Address) error {
return am.manager.Lock(addr.address)
}
// TimedUnlock unlocks the given account with the passphrase. The account
// stays unlocked for the duration of timeout. A timeout of 0 unlocks the account
// until the program exits. The account must match a unique key file.
//
// If the account address is already unlocked for a duration, TimedUnlock extends or
// shortens the active unlock timeout. If the address was previously unlocked
// indefinitely the timeout is not altered.
func (am *AccountManager) TimedUnlock(a *Account, passphrase string, timeout int64) error {
return am.manager.TimedUnlock(a.account, passphrase, time.Duration(timeout))
}
// NewAccount generates a new key and stores it into the key directory,
// encrypting it with the passphrase.
func (am *AccountManager) NewAccount(passphrase string) (*Account, error) {
account, err := am.manager.NewAccount(passphrase)
if err != nil {
return nil, err
}
return &Account{account}, nil
}
// ExportKey exports as a JSON key, encrypted with newPassphrase.
func (am *AccountManager) ExportKey(a *Account, passphrase, newPassphrase string) ([]byte, error) {
return am.manager.Export(a.account, passphrase, newPassphrase)
}
// ImportKey stores the given encrypted JSON key into the key directory.
func (am *AccountManager) ImportKey(keyJSON []byte, passphrase, newPassphrase string) (*Account, error) {
account, err := am.manager.Import(keyJSON, passphrase, newPassphrase)
if err != nil {
return nil, err
}
return &Account{account}, nil
}
// Update changes the passphrase of an existing account.
func (am *AccountManager) Update(a *Account, passphrase, newPassphrase string) error {
return am.manager.Update(a.account, passphrase, newPassphrase)
}
// ImportPreSaleKey decrypts the given Ethereum presale wallet and stores
// a key file in the key directory. The key file is encrypted with the same passphrase.
func (am *AccountManager) ImportPreSaleKey(keyJSON []byte, passphrase string) (*Account, error) {
account, err := am.manager.ImportPreSaleKey(keyJSON, passphrase)
if err != nil {
return nil, err
}
return &Account{account}, nil
}

95
mobile/big.go Normal file
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@ -0,0 +1,95 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the math/big package.
package geth
import (
"errors"
"math/big"
)
// A BigInt represents a signed multi-precision integer.
type BigInt struct {
bigint *big.Int
}
// NewBigInt allocates and returns a new BigInt set to x.
func NewBigInt(x int64) *BigInt {
return &BigInt{big.NewInt(x)}
}
// GetBytes returns the absolute value of x as a big-endian byte slice.
func (bi *BigInt) GetBytes() []byte {
return bi.bigint.Bytes()
}
// String returns the value of x as a formatted decimal string.
func (bi *BigInt) String() string {
return bi.bigint.String()
}
// GetInt64 returns the int64 representation of x. If x cannot be represented in
// an int64, the result is undefined.
func (bi *BigInt) GetInt64() int64 {
return bi.bigint.Int64()
}
// SetBytes interprets buf as the bytes of a big-endian unsigned integer and sets
// the big int to that value.
func (bi *BigInt) SetBytes(buf []byte) {
bi.bigint.SetBytes(buf)
}
// SetInt64 sets the big int to x.
func (bi *BigInt) SetInt64(x int64) {
bi.bigint.SetInt64(x)
}
// SetString sets the big int to x.
//
// The string prefix determines the actual conversion base. A prefix of "0x" or
// "0X" selects base 16; the "0" prefix selects base 8, and a "0b" or "0B" prefix
// selects base 2. Otherwise the selected base is 10.
func (bi *BigInt) SetString(x string, base int) {
bi.bigint.SetString(x, base)
}
// BigInts represents a slice of big ints.
type BigInts struct{ bigints []*big.Int }
// Size returns the number of big ints in the slice.
func (bi *BigInts) Size() int {
return len(bi.bigints)
}
// Get returns the bigint at the given index from the slice.
func (bi *BigInts) Get(index int) (*BigInt, error) {
if index < 0 || index >= len(bi.bigints) {
return nil, errors.New("index out of bounds")
}
return &BigInt{bi.bigints[index]}, nil
}
// Set sets the big int at the given index in the slice.
func (bi *BigInts) Set(index int, bigint *BigInt) error {
if index < 0 || index >= len(bi.bigints) {
return errors.New("index out of bounds")
}
bi.bigints[index] = bigint.bigint
return nil
}

26
mobile/big_go1.7.go Normal file
View File

@ -0,0 +1,26 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains the wrappers from the math/big package that require Go 1.7 and above.
// +build go1.7
package geth
// GetString returns the value of x as a formatted string in some number base.
func (bi *BigInt) GetString(base int) string {
return bi.bigint.Text(base)
}

202
mobile/bind.go Normal file
View File

@ -0,0 +1,202 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the bind package.
package geth
import (
"math/big"
"strings"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
// Signer is an interaface defining the callback when a contract requires a
// method to sign the transaction before submission.
type Signer interface {
Sign(*Address, *Transaction) (*Transaction, error)
}
type signer struct {
sign bind.SignerFn
}
func (s *signer) Sign(addr *Address, tx *Transaction) (*Transaction, error) {
sig, err := s.sign(addr.address, tx.tx)
if err != nil {
return nil, err
}
return &Transaction{sig}, nil
}
// CallOpts is the collection of options to fine tune a contract call request.
type CallOpts struct {
opts bind.CallOpts
}
// NewCallOpts creates a new option set for contract calls.
func NewCallOpts() *CallOpts {
return new(CallOpts)
}
func (opts *CallOpts) IsPending() bool { return opts.opts.Pending }
func (opts *CallOpts) GetGasLimit() int64 { return 0 /* TODO(karalabe) */ }
// GetContext cannot be reliably implemented without identity preservation (https://github.com/golang/go/issues/16876)
// Even then it's awkward to unpack the subtleties of a Go context out to Java.
// func (opts *CallOpts) GetContext() *Context { return &Context{opts.opts.Context} }
func (opts *CallOpts) SetPending(pending bool) { opts.opts.Pending = pending }
func (opts *CallOpts) SetGasLimit(limit int64) { /* TODO(karalabe) */ }
func (opts *CallOpts) SetContext(context *Context) { opts.opts.Context = context.context }
// TransactOpts is the collection of authorization data required to create a
// valid Ethereum transaction.
type TransactOpts struct {
opts bind.TransactOpts
}
func (opts *TransactOpts) GetFrom() *Address { return &Address{opts.opts.From} }
func (opts *TransactOpts) GetNonce() int64 { return opts.opts.Nonce.Int64() }
func (opts *TransactOpts) GetValue() *BigInt { return &BigInt{opts.opts.Value} }
func (opts *TransactOpts) GetGasPrice() *BigInt { return &BigInt{opts.opts.GasPrice} }
func (opts *TransactOpts) GetGasLimit() int64 { return opts.opts.GasLimit.Int64() }
// GetSigner cannot be reliably implemented without identity preservation (https://github.com/golang/go/issues/16876)
// func (opts *TransactOpts) GetSigner() Signer { return &signer{opts.opts.Signer} }
// GetContext cannot be reliably implemented without identity preservation (https://github.com/golang/go/issues/16876)
// Even then it's awkward to unpack the subtleties of a Go context out to Java.
//func (opts *TransactOpts) GetContext() *Context { return &Context{opts.opts.Context} }
func (opts *TransactOpts) SetFrom(from *Address) { opts.opts.From = from.address }
func (opts *TransactOpts) SetNonce(nonce int64) { opts.opts.Nonce = big.NewInt(nonce) }
func (opts *TransactOpts) SetSigner(s Signer) {
opts.opts.Signer = func(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
sig, err := s.Sign(&Address{addr}, &Transaction{tx})
if err != nil {
return nil, err
}
return sig.tx, nil
}
}
func (opts *TransactOpts) SetValue(value *BigInt) { opts.opts.Value = value.bigint }
func (opts *TransactOpts) SetGasPrice(price *BigInt) { opts.opts.GasPrice = price.bigint }
func (opts *TransactOpts) SetGasLimit(limit int64) { opts.opts.GasLimit = big.NewInt(limit) }
func (opts *TransactOpts) SetContext(context *Context) { opts.opts.Context = context.context }
// BoundContract is the base wrapper object that reflects a contract on the
// Ethereum network. It contains a collection of methods that are used by the
// higher level contract bindings to operate.
type BoundContract struct {
contract *bind.BoundContract
address common.Address
deployer *types.Transaction
}
// DeployContract deploys a contract onto the Ethereum blockchain and binds the
// deployment address with a wrapper.
func DeployContract(opts *TransactOpts, abiJSON string, bytecode []byte, client *EthereumClient, args *Interfaces) (*BoundContract, error) {
// Convert all the deployment parameters to Go types
params := make([]interface{}, len(args.objects))
for i, obj := range args.objects {
params[i] = obj
}
// Deploy the contract to the network
parsed, err := abi.JSON(strings.NewReader(abiJSON))
if err != nil {
return nil, err
}
addr, tx, bound, err := bind.DeployContract(&opts.opts, parsed, bytecode, client.client, params...)
if err != nil {
return nil, err
}
return &BoundContract{
contract: bound,
address: addr,
deployer: tx,
}, nil
}
// BindContract creates a low level contract interface through which calls and
// transactions may be made through.
func BindContract(address *Address, abiJSON string, client *EthereumClient) (*BoundContract, error) {
parsed, err := abi.JSON(strings.NewReader(abiJSON))
if err != nil {
return nil, err
}
return &BoundContract{
contract: bind.NewBoundContract(address.address, parsed, client.client, client.client),
address: address.address,
}, nil
}
func (c *BoundContract) GetAddress() *Address { return &Address{c.address} }
func (c *BoundContract) GetDeployer() *Transaction {
if c.deployer == nil {
return nil
}
return &Transaction{c.deployer}
}
// Call invokes the (constant) contract method with params as input values and
// sets the output to result.
func (c *BoundContract) Call(opts *CallOpts, out *Interfaces, method string, args *Interfaces) error {
// Convert all the input and output parameters to Go types
params := make([]interface{}, len(args.objects))
for i, obj := range args.objects {
params[i] = obj
}
results := make([]interface{}, len(out.objects))
for i, obj := range out.objects {
results[i] = obj
}
// Execute the call to the contract and wrap any results
if err := c.contract.Call(&opts.opts, &results, method, params...); err != nil {
return err
}
for i, res := range results {
out.objects[i] = res
}
return nil
}
// Transact invokes the (paid) contract method with params as input values.
func (c *BoundContract) Transact(opts *TransactOpts, method string, args *Interfaces) (*Transaction, error) {
params := make([]interface{}, len(args.objects))
for i, obj := range args.objects {
params[i] = obj
}
tx, err := c.contract.Transact(&opts.opts, method, params)
if err != nil {
return nil, err
}
return &Transaction{tx}, nil
}
// Transfer initiates a plain transaction to move funds to the contract, calling
// its default method if one is available.
func (c *BoundContract) Transfer(opts *TransactOpts) (*Transaction, error) {
tx, err := c.contract.Transfer(&opts.opts)
if err != nil {
return nil, err
}
return &Transaction{tx}, nil
}

187
mobile/common.go Normal file
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@ -0,0 +1,187 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the common package.
package geth
import (
"encoding/hex"
"errors"
"fmt"
"strings"
"github.com/ethereum/go-ethereum/common"
)
// Hash represents the 32 byte Keccak256 hash of arbitrary data.
type Hash struct {
hash common.Hash
}
// NewHashFromBytes converts a slice of bytes to a hash value.
func NewHashFromBytes(hash []byte) (*Hash, error) {
h := new(Hash)
if err := h.SetBytes(hash); err != nil {
return nil, err
}
return h, nil
}
// NewHashFromHex converts a hex string to a hash value.
func NewHashFromHex(hash string) (*Hash, error) {
h := new(Hash)
if err := h.SetHex(hash); err != nil {
return nil, err
}
return h, nil
}
// SetBytes sets the specified slice of bytes as the hash value.
func (h *Hash) SetBytes(hash []byte) error {
if length := len(hash); length != common.HashLength {
return fmt.Errorf("invalid hash length: %v != %v", length, common.HashLength)
}
copy(h.hash[:], hash)
return nil
}
// GetBytes retrieves the byte representation of the hash.
func (h *Hash) GetBytes() []byte {
return h.hash[:]
}
// SetHex sets the specified hex string as the hash value.
func (h *Hash) SetHex(hash string) error {
hash = strings.ToLower(hash)
if len(hash) >= 2 && hash[:2] == "0x" {
hash = hash[2:]
}
if length := len(hash); length != 2*common.HashLength {
return fmt.Errorf("invalid hash hex length: %v != %v", length, 2*common.HashLength)
}
bin, err := hex.DecodeString(hash)
if err != nil {
return err
}
copy(h.hash[:], bin)
return nil
}
// GetHex retrieves the hex string representation of the hash.
func (h *Hash) GetHex() string {
return h.hash.Hex()
}
// Hashes represents a slice of hashes.
type Hashes struct{ hashes []common.Hash }
// Size returns the number of hashes in the slice.
func (h *Hashes) Size() int {
return len(h.hashes)
}
// Get returns the hash at the given index from the slice.
func (h *Hashes) Get(index int) (*Hash, error) {
if index < 0 || index >= len(h.hashes) {
return nil, errors.New("index out of bounds")
}
return &Hash{h.hashes[index]}, nil
}
// Address represents the 20 byte address of an Ethereum account.
type Address struct {
address common.Address
}
// NewAddressFromBytes converts a slice of bytes to a hash value.
func NewAddressFromBytes(address []byte) (*Address, error) {
a := new(Address)
if err := a.SetBytes(address); err != nil {
return nil, err
}
return a, nil
}
// NewAddressFromHex converts a hex string to a address value.
func NewAddressFromHex(address string) (*Address, error) {
a := new(Address)
if err := a.SetHex(address); err != nil {
return nil, err
}
return a, nil
}
// SetBytes sets the specified slice of bytes as the address value.
func (a *Address) SetBytes(address []byte) error {
if length := len(address); length != common.AddressLength {
return fmt.Errorf("invalid address length: %v != %v", length, common.AddressLength)
}
copy(a.address[:], address)
return nil
}
// GetBytes retrieves the byte representation of the address.
func (a *Address) GetBytes() []byte {
return a.address[:]
}
// SetHex sets the specified hex string as the address value.
func (a *Address) SetHex(address string) error {
address = strings.ToLower(address)
if len(address) >= 2 && address[:2] == "0x" {
address = address[2:]
}
if length := len(address); length != 2*common.AddressLength {
return fmt.Errorf("invalid address hex length: %v != %v", length, 2*common.AddressLength)
}
bin, err := hex.DecodeString(address)
if err != nil {
return err
}
copy(a.address[:], bin)
return nil
}
// GetHex retrieves the hex string representation of the address.
func (a *Address) GetHex() string {
return a.address.Hex()
}
// Addresses represents a slice of addresses.
type Addresses struct{ addresses []common.Address }
// Size returns the number of addresses in the slice.
func (a *Addresses) Size() int {
return len(a.addresses)
}
// Get returns the address at the given index from the slice.
func (a *Addresses) Get(index int) (*Address, error) {
if index < 0 || index >= len(a.addresses) {
return nil, errors.New("index out of bounds")
}
return &Address{a.addresses[index]}, nil
}
// Set sets the address at the given index in the slice.
func (a *Addresses) Set(index int, address *Address) error {
if index < 0 || index >= len(a.addresses) {
return errors.New("index out of bounds")
}
a.addresses[index] = address.address
return nil
}

81
mobile/context.go Normal file
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@ -0,0 +1,81 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the golang.org/x/net/context package to support
// client side context management on mobile platforms.
package geth
import (
"time"
"golang.org/x/net/context"
)
// Context carries a deadline, a cancelation signal, and other values across API
// boundaries.
type Context struct {
context context.Context
cancel context.CancelFunc
}
// NewContext returns a non-nil, empty Context. It is never canceled, has no
// values, and has no deadline. It is typically used by the main function,
// initialization, and tests, and as the top-level Context for incoming requests.
func NewContext() *Context {
return &Context{
context: context.Background(),
}
}
// WithCancel returns a copy of the original context with cancellation mechanism
// included.
//
// Canceling this context releases resources associated with it, so code should
// call cancel as soon as the operations running in this Context complete.
func (c *Context) WithCancel() *Context {
child, cancel := context.WithCancel(c.context)
return &Context{
context: child,
cancel: cancel,
}
}
// WithDeadline returns a copy of the original context with the deadline adjusted
// to be no later than the specified time.
//
// Canceling this context releases resources associated with it, so code should
// call cancel as soon as the operations running in this Context complete.
func (c *Context) WithDeadline(sec int64, nsec int64) *Context {
child, cancel := context.WithDeadline(c.context, time.Unix(sec, nsec))
return &Context{
context: child,
cancel: cancel,
}
}
// WithTimeout returns a copy of the original context with the deadline adjusted
// to be no later than now + the duration specified.
//
// Canceling this context releases resources associated with it, so code should
// call cancel as soon as the operations running in this Context complete.
func (c *Context) WithTimeout(nsec int64) *Context {
child, cancel := context.WithTimeout(c.context, time.Duration(nsec))
return &Context{
context: child,
cancel: cancel,
}
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the core package.
package geth
import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/params"
)
// MainnetChainConfig is the chain configurations for the main Ethereum network.
var MainnetChainConfig = &ChainConfig{
HomesteadBlock: params.MainNetHomesteadBlock.Int64(),
DAOForkBlock: params.MainNetDAOForkBlock.Int64(),
DAOForkSupport: true,
}
// MainnetGenesis is the JSON spec to use for the main Ethereum network. It is
// actually empty since that defaults to the hard coded binary genesis block.
var MainnetGenesis = ""
// TestnetChainConfig is the chain configurations for the Ethereum test network.
var TestnetChainConfig = &ChainConfig{
HomesteadBlock: params.TestNetHomesteadBlock.Int64(),
DAOForkBlock: 0,
DAOForkSupport: false,
}
// TestnetGenesis is the JSON spec to use for the Ethereum test network.
var TestnetGenesis = core.TestNetGenesisBlock()
// ChainConfig is the core config which determines the blockchain settings.
type ChainConfig struct {
HomesteadBlock int64 // Homestead switch block
DAOForkBlock int64 // TheDAO hard-fork switch block
DAOForkSupport bool // Whether the nodes supports or opposes the DAO hard-fork
}
// NewChainConfig creates a new chain configuration that transitions immediately
// to homestead and has no notion of the DAO fork (ideal for a private network).
func NewChainConfig() *ChainConfig {
return new(ChainConfig)
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the accounts package to support client side enode
// management on mobile platforms.
package geth
import (
"errors"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/p2p/discover"
)
// MainnetBootnodes returns the enode URLs of the P2P bootstrap nodes running
// on the main network.
//
// Note, this needs to be a method to prevent gomobile generating a setter for it.
func MainnetBootnodes() *Enodes {
nodes := &Enodes{nodes: make([]*discover.Node, len(utils.MainnetBootnodes))}
for i, node := range utils.MainnetBootnodes {
nodes.nodes[i] = node
}
return nodes
}
// TestnetBootnodes returns the enode URLs of the P2P bootstrap nodes running
// on the test network.
//
// Note, this needs to be a method to prevent gomobile generating a setter for it.
func TestnetBootnodes() *Enodes {
nodes := &Enodes{nodes: make([]*discover.Node, len(utils.TestnetBootnodes))}
for i, node := range utils.TestnetBootnodes {
nodes.nodes[i] = node
}
return nodes
}
// Enode represents a host on the network.
type Enode struct {
node *discover.Node
}
// NewEnode parses a node designator.
//
// There are two basic forms of node designators
// - incomplete nodes, which only have the public key (node ID)
// - complete nodes, which contain the public key and IP/Port information
//
// For incomplete nodes, the designator must look like one of these
//
// enode://<hex node id>
// <hex node id>
//
// For complete nodes, the node ID is encoded in the username portion
// of the URL, separated from the host by an @ sign. The hostname can
// only be given as an IP address, DNS domain names are not allowed.
// The port in the host name section is the TCP listening port. If the
// TCP and UDP (discovery) ports differ, the UDP port is specified as
// query parameter "discport".
//
// In the following example, the node URL describes
// a node with IP address 10.3.58.6, TCP listening port 30303
// and UDP discovery port 30301.
//
// enode://<hex node id>@10.3.58.6:30303?discport=30301
func NewEnode(rawurl string) (*Enode, error) {
node, err := discover.ParseNode(rawurl)
if err != nil {
return nil, err
}
return &Enode{node}, nil
}
// Enodes represents a slice of accounts.
type Enodes struct{ nodes []*discover.Node }
// NewEnodes creates a slice of uninitialized enodes.
func NewEnodes(size int) *Enodes {
return &Enodes{
nodes: make([]*discover.Node, size),
}
}
// NewEnodesEmpty creates an empty slice of Enode values.
func NewEnodesEmpty() *Enodes {
return NewEnodes(0)
}
// Size returns the number of enodes in the slice.
func (e *Enodes) Size() int {
return len(e.nodes)
}
// Get returns the enode at the given index from the slice.
func (e *Enodes) Get(index int) (*Enode, error) {
if index < 0 || index >= len(e.nodes) {
return nil, errors.New("index out of bounds")
}
return &Enode{e.nodes[index]}, nil
}
// Set sets the enode at the given index in the slice.
func (e *Enodes) Set(index int, enode *Enode) error {
if index < 0 || index >= len(e.nodes) {
return errors.New("index out of bounds")
}
e.nodes[index] = enode.node
return nil
}
// Append adds a new enode element to the end of the slice.
func (e *Enodes) Append(enode *Enode) {
e.nodes = append(e.nodes, enode.node)
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package geth contains the simplified mobile APIs to go-ethereum.
//
// The scope of this package is *not* to allow writing a custom Ethereun client
// with pieces plucked from go-ethereum, rather to allow writing native dapps on
// mobile platforms. Keep this in mind when using or extending this package!
//
// API limitations
//
// Since gomobile cannot bridge arbitrary types between Go and Android/iOS, the
// exposed APIs need to be manually wrapped into simplified types, with custom
// constructors and getters/setters to ensure that they can be meaninfully used
// from Java/ObjC too.
//
// With this in mind, please try to limit the scope of this package and only add
// essentials without which mobile support cannot work, especially since manually
// syncing the code will be unwieldy otherwise. In the long term we might consider
// writing custom library generators, but those are out of scope now.
//
// Content wise each file in this package corresponds to an entire Go package
// from the go-ethereum repository. Please adhere to this scoping to prevent this
// package getting unmaintainable.
//
// Wrapping guidelines:
//
// Every type that is to be exposed should be wrapped into its own plain struct,
// which internally contains a single field: the original go-ethereum version.
// This is needed because gomobile cannot expose named types for now.
//
// Whenever a method argument or a return type is a custom struct, the pointer
// variant should always be used as value types crossing over between language
// boundaries might have strange behaviors.
//
// Slices of types should be converted into a single multiplicative type wrapping
// a go slice with the methods `Size`, `Get` and `Set`. Further slice operations
// should not be provided to limit the remote code complexity. Arrays should be
// avoided as much as possible since they complicate bounds checking.
//
// Note, a panic *cannot* cross over language boundaries, instead will result in
// an undebuggable SEGFAULT in the process. For error handling only ever use error
// returns, which may be the only or the second return.
package geth

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains a wrapper for the Ethereum client.
package geth
import (
"math/big"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethclient"
)
// EthereumClient provides access to the Ethereum APIs.
type EthereumClient struct {
client *ethclient.Client
}
// NewEthereumClient connects a client to the given URL.
func NewEthereumClient(rawurl string) (*EthereumClient, error) {
client, err := ethclient.Dial(rawurl)
return &EthereumClient{client}, err
}
// GetBlockByHash returns the given full block.
func (ec *EthereumClient) GetBlockByHash(ctx *Context, hash *Hash) (*Block, error) {
block, err := ec.client.BlockByHash(ctx.context, hash.hash)
return &Block{block}, err
}
// GetBlockByNumber returns a block from the current canonical chain. If number is <0, the
// latest known block is returned.
func (ec *EthereumClient) GetBlockByNumber(ctx *Context, number int64) (*Block, error) {
if number < 0 {
block, err := ec.client.BlockByNumber(ctx.context, nil)
return &Block{block}, err
}
block, err := ec.client.BlockByNumber(ctx.context, big.NewInt(number))
return &Block{block}, err
}
// GetHeaderByHash returns the block header with the given hash.
func (ec *EthereumClient) GetHeaderByHash(ctx *Context, hash *Hash) (*Header, error) {
header, err := ec.client.HeaderByHash(ctx.context, hash.hash)
return &Header{header}, err
}
// GetHeaderByNumber returns a block header from the current canonical chain. If number is <0,
// the latest known header is returned.
func (ec *EthereumClient) GetHeaderByNumber(ctx *Context, number int64) (*Header, error) {
if number < 0 {
header, err := ec.client.HeaderByNumber(ctx.context, nil)
return &Header{header}, err
}
header, err := ec.client.HeaderByNumber(ctx.context, big.NewInt(number))
return &Header{header}, err
}
// GetTransactionByHash returns the transaction with the given hash.
func (ec *EthereumClient) GetTransactionByHash(ctx *Context, hash *Hash) (*Transaction, error) {
tx, err := ec.client.TransactionByHash(ctx.context, hash.hash)
return &Transaction{tx}, err
}
// GetTransactionCount returns the total number of transactions in the given block.
func (ec *EthereumClient) GetTransactionCount(ctx *Context, hash *Hash) (int, error) {
count, err := ec.client.TransactionCount(ctx.context, hash.hash)
return int(count), err
}
// GetTransactionInBlock returns a single transaction at index in the given block.
func (ec *EthereumClient) GetTransactionInBlock(ctx *Context, hash *Hash, index int) (*Transaction, error) {
tx, err := ec.client.TransactionInBlock(ctx.context, hash.hash, uint(index))
return &Transaction{tx}, err
}
// GetTransactionReceipt returns the receipt of a transaction by transaction hash.
// Note that the receipt is not available for pending transactions.
func (ec *EthereumClient) GetTransactionReceipt(ctx *Context, hash *Hash) (*Receipt, error) {
receipt, err := ec.client.TransactionReceipt(ctx.context, hash.hash)
return &Receipt{receipt}, err
}
// SyncProgress retrieves the current progress of the sync algorithm. If there's
// no sync currently running, it returns nil.
func (ec *EthereumClient) SyncProgress(ctx *Context) (*SyncProgress, error) {
progress, err := ec.client.SyncProgress(ctx.context)
if progress == nil {
return nil, err
}
return &SyncProgress{*progress}, err
}
// NewHeadHandler is a client-side subscription callback to invoke on events and
// subscription failure.
type NewHeadHandler interface {
OnNewHead(header *Header)
OnError(failure string)
}
// SubscribeNewHead subscribes to notifications about the current blockchain head
// on the given channel.
func (ec *EthereumClient) SubscribeNewHead(ctx *Context, handler NewHeadHandler, buffer int) (*Subscription, error) {
// Subscribe to the event internally
ch := make(chan *types.Header, buffer)
sub, err := ec.client.SubscribeNewHead(ctx.context, ch)
if err != nil {
return nil, err
}
// Start up a dispatcher to feed into the callback
go func() {
for {
select {
case header := <-ch:
handler.OnNewHead(&Header{header})
case err := <-sub.Err():
handler.OnError(err.Error())
return
}
}
}()
return &Subscription{sub}, nil
}
// State Access
// GetBalanceAt returns the wei balance of the given account.
// The block number can be <0, in which case the balance is taken from the latest known block.
func (ec *EthereumClient) GetBalanceAt(ctx *Context, account *Address, number int64) (*BigInt, error) {
if number < 0 {
balance, err := ec.client.BalanceAt(ctx.context, account.address, nil)
return &BigInt{balance}, err
}
balance, err := ec.client.BalanceAt(ctx.context, account.address, big.NewInt(number))
return &BigInt{balance}, err
}
// GetStorageAt returns the value of key in the contract storage of the given account.
// The block number can be <0, in which case the value is taken from the latest known block.
func (ec *EthereumClient) GetStorageAt(ctx *Context, account *Address, key *Hash, number int64) ([]byte, error) {
if number < 0 {
return ec.client.StorageAt(ctx.context, account.address, key.hash, nil)
}
return ec.client.StorageAt(ctx.context, account.address, key.hash, big.NewInt(number))
}
// GetCodeAt returns the contract code of the given account.
// The block number can be <0, in which case the code is taken from the latest known block.
func (ec *EthereumClient) GetCodeAt(ctx *Context, account *Address, number int64) ([]byte, error) {
if number < 0 {
return ec.client.CodeAt(ctx.context, account.address, nil)
}
return ec.client.CodeAt(ctx.context, account.address, big.NewInt(number))
}
// GetNonceAt returns the account nonce of the given account.
// The block number can be <0, in which case the nonce is taken from the latest known block.
func (ec *EthereumClient) GetNonceAt(ctx *Context, account *Address, number int64) (int64, error) {
if number < 0 {
nonce, err := ec.client.NonceAt(ctx.context, account.address, nil)
return int64(nonce), err
}
nonce, err := ec.client.NonceAt(ctx.context, account.address, big.NewInt(number))
return int64(nonce), err
}
// Filters
// FilterLogs executes a filter query.
func (ec *EthereumClient) FilterLogs(ctx *Context, query *FilterQuery) (*Logs, error) {
logs, err := ec.client.FilterLogs(ctx.context, query.query)
if err != nil {
return nil, err
}
// Temp hack due to vm.Logs being []*vm.Log
res := make(vm.Logs, len(logs))
for i, log := range logs {
res[i] = &log
}
return &Logs{res}, nil
}
// FilterLogsHandler is a client-side subscription callback to invoke on events and
// subscription failure.
type FilterLogsHandler interface {
OnFilterLogs(log *Log)
OnError(failure string)
}
// SubscribeFilterLogs subscribes to the results of a streaming filter query.
func (ec *EthereumClient) SubscribeFilterLogs(ctx *Context, query *FilterQuery, handler FilterLogsHandler, buffer int) (*Subscription, error) {
// Subscribe to the event internally
ch := make(chan vm.Log, buffer)
sub, err := ec.client.SubscribeFilterLogs(ctx.context, query.query, ch)
if err != nil {
return nil, err
}
// Start up a dispatcher to feed into the callback
go func() {
for {
select {
case log := <-ch:
handler.OnFilterLogs(&Log{&log})
case err := <-sub.Err():
handler.OnError(err.Error())
return
}
}
}()
return &Subscription{sub}, nil
}
// Pending State
// GetPendingBalanceAt returns the wei balance of the given account in the pending state.
func (ec *EthereumClient) GetPendingBalanceAt(ctx *Context, account *Address) (*BigInt, error) {
balance, err := ec.client.PendingBalanceAt(ctx.context, account.address)
return &BigInt{balance}, err
}
// GetPendingStorageAt returns the value of key in the contract storage of the given account in the pending state.
func (ec *EthereumClient) GetPendingStorageAt(ctx *Context, account *Address, key *Hash) ([]byte, error) {
return ec.client.PendingStorageAt(ctx.context, account.address, key.hash)
}
// GetPendingCodeAt returns the contract code of the given account in the pending state.
func (ec *EthereumClient) GetPendingCodeAt(ctx *Context, account *Address) ([]byte, error) {
return ec.client.PendingCodeAt(ctx.context, account.address)
}
// GetPendingNonceAt returns the account nonce of the given account in the pending state.
// This is the nonce that should be used for the next transaction.
func (ec *EthereumClient) GetPendingNonceAt(ctx *Context, account *Address) (int64, error) {
nonce, err := ec.client.PendingNonceAt(ctx.context, account.address)
return int64(nonce), err
}
// GetPendingTransactionCount returns the total number of transactions in the pending state.
func (ec *EthereumClient) GetPendingTransactionCount(ctx *Context) (int, error) {
count, err := ec.client.PendingTransactionCount(ctx.context)
return int(count), err
}
// Contract Calling
// CallContract executes a message call transaction, which is directly executed in the VM
// of the node, but never mined into the blockchain.
//
// blockNumber selects the block height at which the call runs. It can be <0, in which
// case the code is taken from the latest known block. Note that state from very old
// blocks might not be available.
func (ec *EthereumClient) CallContract(ctx *Context, msg *CallMsg, number int64) ([]byte, error) {
if number < 0 {
return ec.client.CallContract(ctx.context, msg.msg, nil)
}
return ec.client.CallContract(ctx.context, msg.msg, big.NewInt(number))
}
// PendingCallContract executes a message call transaction using the EVM.
// The state seen by the contract call is the pending state.
func (ec *EthereumClient) PendingCallContract(ctx *Context, msg *CallMsg) ([]byte, error) {
return ec.client.PendingCallContract(ctx.context, msg.msg)
}
// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
// execution of a transaction.
func (ec *EthereumClient) SuggestGasPrice(ctx *Context) (*BigInt, error) {
price, err := ec.client.SuggestGasPrice(ctx.context)
return &BigInt{price}, err
}
// EstimateGas tries to estimate the gas needed to execute a specific transaction based on
// the current pending state of the backend blockchain. There is no guarantee that this is
// the true gas limit requirement as other transactions may be added or removed by miners,
// but it should provide a basis for setting a reasonable default.
func (ec *EthereumClient) EstimateGas(ctx *Context, msg *CallMsg) (*BigInt, error) {
price, err := ec.client.EstimateGas(ctx.context, msg.msg)
return &BigInt{price}, err
}
// SendTransaction injects a signed transaction into the pending pool for execution.
//
// If the transaction was a contract creation use the TransactionReceipt method to get the
// contract address after the transaction has been mined.
func (ec *EthereumClient) SendTransaction(ctx *Context, tx *Transaction) error {
return ec.client.SendTransaction(ctx.context, tx.tx)
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the go-ethereum root package.
package geth
import (
"errors"
"math/big"
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
)
// Subscription represents an event subscription where events are
// delivered on a data channel.
type Subscription struct {
sub ethereum.Subscription
}
// Unsubscribe cancels the sending of events to the data channel
// and closes the error channel.
func (s *Subscription) Unsubscribe() {
s.sub.Unsubscribe()
}
// CallMsg contains parameters for contract calls.
type CallMsg struct {
msg ethereum.CallMsg
}
// NewCallMsg creates an empty contract call parameter list.
func NewCallMsg() *CallMsg {
return new(CallMsg)
}
func (msg *CallMsg) GetFrom() *Address { return &Address{msg.msg.From} }
func (msg *CallMsg) GetGas() int64 { return msg.msg.Gas.Int64() }
func (msg *CallMsg) GetGasPrice() *BigInt { return &BigInt{msg.msg.GasPrice} }
func (msg *CallMsg) GetValue() *BigInt { return &BigInt{msg.msg.Value} }
func (msg *CallMsg) GetData() []byte { return msg.msg.Data }
func (msg *CallMsg) GetTo() *Address {
if to := msg.msg.To; to != nil {
return &Address{*msg.msg.To}
}
return nil
}
func (msg *CallMsg) SetFrom(address *Address) { msg.msg.From = address.address }
func (msg *CallMsg) SetGas(gas int64) { msg.msg.Gas = big.NewInt(gas) }
func (msg *CallMsg) SetGasPrice(price *BigInt) { msg.msg.GasPrice = price.bigint }
func (msg *CallMsg) SetValue(value *BigInt) { msg.msg.Value = value.bigint }
func (msg *CallMsg) SetData(data []byte) { msg.msg.Data = data }
func (msg *CallMsg) SetTo(address *Address) {
if address == nil {
msg.msg.To = nil
}
msg.msg.To = &address.address
}
// SyncProgress gives progress indications when the node is synchronising with
// the Ethereum network.
type SyncProgress struct {
progress ethereum.SyncProgress
}
func (p *SyncProgress) GetStartingBlock() int64 { return int64(p.progress.StartingBlock) }
func (p *SyncProgress) GetCurrentBlock() int64 { return int64(p.progress.CurrentBlock) }
func (p *SyncProgress) GetHighestBlock() int64 { return int64(p.progress.HighestBlock) }
func (p *SyncProgress) GetPulledStates() int64 { return int64(p.progress.PulledStates) }
func (p *SyncProgress) GetKnownStates() int64 { return int64(p.progress.KnownStates) }
// Topics is a set of topic lists to filter events with.
type Topics struct{ topics [][]common.Hash }
// Size returns the number of topic lists inside the set
func (t *Topics) Size() int {
return len(t.topics)
}
// Get returns the topic list at the given index from the slice.
func (t *Topics) Get(index int) (*Hashes, error) {
if index < 0 || index >= len(t.topics) {
return nil, errors.New("index out of bounds")
}
return &Hashes{t.topics[index]}, nil
}
// Set sets the topic list at the given index in the slice.
func (t *Topics) Set(index int, topics *Hashes) error {
if index < 0 || index >= len(t.topics) {
return errors.New("index out of bounds")
}
t.topics[index] = topics.hashes
return nil
}
// FilterQuery contains options for contact log filtering.
type FilterQuery struct {
query ethereum.FilterQuery
}
// NewFilterQuery creates an empty filter query for contact log filtering.
func NewFilterQuery() *FilterQuery {
return new(FilterQuery)
}
func (fq *FilterQuery) GetFromBlock() *BigInt { return &BigInt{fq.query.FromBlock} }
func (fq *FilterQuery) GetToBlock() *BigInt { return &BigInt{fq.query.ToBlock} }
func (fq *FilterQuery) GetAddresses() *Addresses { return &Addresses{fq.query.Addresses} }
func (fq *FilterQuery) GetTopics() *Topics { return &Topics{fq.query.Topics} }

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the node package to support client side node
// management on mobile platforms.
package geth
import (
"fmt"
"math/big"
"path/filepath"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/whisper"
)
// NodeConfig represents the collection of configuration values to fine tune the Geth
// node embedded into a mobile process. The available values are a subset of the
// entire API provided by go-ethereum to reduce the maintenance surface and dev
// complexity.
type NodeConfig struct {
// Bootstrap nodes used to establish connectivity with the rest of the network.
BootstrapNodes *Enodes
// MaxPeers is the maximum number of peers that can be connected. If this is
// set to zero, then only the configured static and trusted peers can connect.
MaxPeers int
// EthereumEnabled specifies whether the node should run the Ethereum protocol.
EthereumEnabled bool
// EthereumNetworkID is the network identifier used by the Ethereum protocol to
// decide if remote peers should be accepted or not.
EthereumNetworkID int
// EthereumChainConfig is the default parameters of the blockchain to use. If no
// configuration is specified, it defaults to the main network.
EthereumChainConfig *ChainConfig
// EthereumGenesis is the genesis JSON to use to seed the blockchain with. An
// empty genesis state is equivalent to using the mainnet's state.
EthereumGenesis string
// EthereumTestnetNonces specifies whether to use account nonces from the testnet
// range (2^20) or from the mainnet one (0).
EthereumTestnetNonces bool
// EthereumDatabaseCache is the system memory in MB to allocate for database caching.
// A minimum of 16MB is always reserved.
EthereumDatabaseCache int
// WhisperEnabled specifies whether the node should run the Whisper protocol.
WhisperEnabled bool
}
// defaultNodeConfig contains the default node configuration values to use if all
// or some fields are missing from the user's specified list.
var defaultNodeConfig = &NodeConfig{
BootstrapNodes: MainnetBootnodes(),
MaxPeers: 25,
EthereumEnabled: true,
EthereumNetworkID: 1,
EthereumChainConfig: MainnetChainConfig,
EthereumDatabaseCache: 16,
}
// NewNodeConfig creates a new node option set, initialized to the default values.
func NewNodeConfig() *NodeConfig {
config := *defaultNodeConfig
return &config
}
// Node represents a Geth Ethereum node instance.
type Node struct {
node *node.Node
}
// NewNode creates and configures a new Geth node.
func NewNode(datadir string, config *NodeConfig) (*Node, error) {
// If no or partial configurations were specified, use defaults
if config == nil {
config = NewNodeConfig()
}
if config.MaxPeers == 0 {
config.MaxPeers = defaultNodeConfig.MaxPeers
}
// Create the empty networking stack
nodeConf := &node.Config{
DataDir: datadir,
KeyStoreDir: filepath.Join(datadir, "keystore"), // Mobile should never use internal keystores!
Name: common.MakeName(clientIdentifier, utils.Version),
BootstrapNodes: config.BootstrapNodes.nodes,
ListenAddr: ":0",
NAT: nat.Any(),
MaxPeers: config.MaxPeers,
}
stack, err := node.New(nodeConf)
if err != nil {
return nil, err
}
// Register the Ethereum protocol if requested
if config.EthereumEnabled {
ethConf := &eth.Config{
ChainConfig: &core.ChainConfig{
HomesteadBlock: big.NewInt(config.EthereumChainConfig.HomesteadBlock),
DAOForkBlock: big.NewInt(config.EthereumChainConfig.DAOForkBlock),
DAOForkSupport: config.EthereumChainConfig.DAOForkSupport,
},
Genesis: config.EthereumGenesis,
FastSync: true,
DatabaseCache: config.EthereumDatabaseCache,
NetworkId: config.EthereumNetworkID,
GasPrice: new(big.Int).Mul(big.NewInt(20), common.Shannon),
GpoMinGasPrice: new(big.Int).Mul(big.NewInt(20), common.Shannon),
GpoMaxGasPrice: new(big.Int).Mul(big.NewInt(500), common.Shannon),
GpoFullBlockRatio: 80,
GpobaseStepDown: 10,
GpobaseStepUp: 100,
GpobaseCorrectionFactor: 110,
}
if config.EthereumTestnetNonces {
state.StartingNonce = 1048576 // (2**20)
}
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return eth.New(ctx, ethConf)
}); err != nil {
return nil, fmt.Errorf("ethereum init: %v", err)
}
}
// Register the Whisper protocol if requested
if config.WhisperEnabled {
if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
return nil, fmt.Errorf("whisper init: %v", err)
}
}
return &Node{stack}, nil
}
// Start creates a live P2P node and starts running it.
func (n *Node) Start() error {
return n.node.Start()
}
// Stop terminates a running node along with all it's services. In the node was
// not started, an error is returned.
func (n *Node) Stop() error {
return n.node.Stop()
}
// GetEthereumClient retrieves a client to access the Ethereum subsystem.
func (n *Node) GetEthereumClient() (*EthereumClient, error) {
rpc, err := n.node.Attach()
if err != nil {
return nil, err
}
return &EthereumClient{ethclient.NewClient(rpc)}, nil
}
// GetNodeInfo gathers and returns a collection of metadata known about the host.
func (n *Node) GetNodeInfo() *NodeInfo {
return &NodeInfo{n.node.Server().NodeInfo()}
}
// GetPeersInfo returns an array of metadata objects describing connected peers.
func (n *Node) GetPeersInfo() *PeerInfos {
return &PeerInfos{n.node.Server().PeersInfo()}
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build android
package geth
// clientIdentifier is a hard coded identifier to report into the network.
var clientIdentifier = "GethDroid"

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build ios
package geth
// clientIdentifier is a hard coded identifier to report into the network.
var clientIdentifier = "iGeth"

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build !android,!ios
package geth
// clientIdentifier is a hard coded identifier to report into the network.
var clientIdentifier = "GethMobile"

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains wrappers and init code for the logger.
package geth
import (
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
func init() {
glog.SetV(logger.Info)
glog.SetToStderr(true)
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains perverted wrappers to allow crossing over empty interfaces.
package geth
import (
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
)
// Interface represents a wrapped version of Go's interface{}, with the capacity
// to store arbitrary data types.
//
// Since it's impossible to get the arbitrary-ness converted between Go and mobile
// platforms, we're using explicit getters and setters for the conversions. There
// is of course no point in enumerating everything, just enough to support the
// contract bindins requiring client side generated code.
type Interface struct {
object interface{}
}
// NewInterface creates a new empty interface that can be used to pass around
// generic types.
func NewInterface() *Interface {
return new(Interface)
}
func (i *Interface) SetBool(b bool) { i.object = &b }
func (i *Interface) SetBools(bs []bool) { i.object = &bs }
func (i *Interface) SetString(str string) { i.object = &str }
func (i *Interface) SetStrings(strs *Strings) { i.object = &strs.strs }
func (i *Interface) SetBinary(binary []byte) { i.object = &binary }
func (i *Interface) SetBinaries(binaries [][]byte) { i.object = &binaries }
func (i *Interface) SetAddress(address *Address) { i.object = &address.address }
func (i *Interface) SetAddresses(addrs *Addresses) { i.object = &addrs.addresses }
func (i *Interface) SetHash(hash *Hash) { i.object = &hash.hash }
func (i *Interface) SetHashes(hashes *Hashes) { i.object = &hashes.hashes }
func (i *Interface) SetInt8(n int8) { i.object = &n }
func (i *Interface) SetInt16(n int16) { i.object = &n }
func (i *Interface) SetInt32(n int32) { i.object = &n }
func (i *Interface) SetInt64(n int64) { i.object = &n }
func (i *Interface) SetUint8(bigint *BigInt) { n := uint8(bigint.bigint.Uint64()); i.object = &n }
func (i *Interface) SetUint16(bigint *BigInt) { n := uint16(bigint.bigint.Uint64()); i.object = &n }
func (i *Interface) SetUint32(bigint *BigInt) { n := uint32(bigint.bigint.Uint64()); i.object = &n }
func (i *Interface) SetUint64(bigint *BigInt) { n := uint64(bigint.bigint.Uint64()); i.object = &n }
func (i *Interface) SetBigInt(bigint *BigInt) { i.object = &bigint.bigint }
func (i *Interface) SetBigInts(bigints *BigInts) { i.object = &bigints.bigints }
func (i *Interface) SetDefaultBool() { i.object = new(bool) }
func (i *Interface) SetDefaultBools() { i.object = new([]bool) }
func (i *Interface) SetDefaultString() { i.object = new(string) }
func (i *Interface) SetDefaultStrings() { i.object = new([]string) }
func (i *Interface) SetDefaultBinary() { i.object = new([]byte) }
func (i *Interface) SetDefaultBinaries() { i.object = new([][]byte) }
func (i *Interface) SetDefaultAddress() { i.object = new(common.Address) }
func (i *Interface) SetDefaultAddresses() { i.object = new([]common.Address) }
func (i *Interface) SetDefaultHash() { i.object = new(common.Hash) }
func (i *Interface) SetDefaultHashes() { i.object = new([]common.Hash) }
func (i *Interface) SetDefaultInt8() { i.object = new(int8) }
func (i *Interface) SetDefaultInt16() { i.object = new(int16) }
func (i *Interface) SetDefaultInt32() { i.object = new(int32) }
func (i *Interface) SetDefaultInt64() { i.object = new(int64) }
func (i *Interface) SetDefaultUint8() { i.object = new(uint8) }
func (i *Interface) SetDefaultUint16() { i.object = new(uint16) }
func (i *Interface) SetDefaultUint32() { i.object = new(uint32) }
func (i *Interface) SetDefaultUint64() { i.object = new(uint64) }
func (i *Interface) SetDefaultBigInt() { i.object = new(*big.Int) }
func (i *Interface) SetDefaultBigInts() { i.object = new([]*big.Int) }
func (i *Interface) GetBool() bool { return *i.object.(*bool) }
func (i *Interface) GetBools() []bool { return *i.object.(*[]bool) }
func (i *Interface) GetString() string { return *i.object.(*string) }
func (i *Interface) GetStrings() *Strings { return &Strings{*i.object.(*[]string)} }
func (i *Interface) GetBinary() []byte { return *i.object.(*[]byte) }
func (i *Interface) GetBinaries() [][]byte { return *i.object.(*[][]byte) }
func (i *Interface) GetAddress() *Address { return &Address{*i.object.(*common.Address)} }
func (i *Interface) GetAddresses() *Addresses { return &Addresses{*i.object.(*[]common.Address)} }
func (i *Interface) GetHash() *Hash { return &Hash{*i.object.(*common.Hash)} }
func (i *Interface) GetHashes() *Hashes { return &Hashes{*i.object.(*[]common.Hash)} }
func (i *Interface) GetInt8() int8 { return *i.object.(*int8) }
func (i *Interface) GetInt16() int16 { return *i.object.(*int16) }
func (i *Interface) GetInt32() int32 { return *i.object.(*int32) }
func (i *Interface) GetInt64() int64 { return *i.object.(*int64) }
func (i *Interface) GetUint8() *BigInt {
return &BigInt{new(big.Int).SetUint64(uint64(*i.object.(*uint8)))}
}
func (i *Interface) GetUint16() *BigInt {
return &BigInt{new(big.Int).SetUint64(uint64(*i.object.(*uint16)))}
}
func (i *Interface) GetUint32() *BigInt {
return &BigInt{new(big.Int).SetUint64(uint64(*i.object.(*uint32)))}
}
func (i *Interface) GetUint64() *BigInt {
return &BigInt{new(big.Int).SetUint64(*i.object.(*uint64))}
}
func (i *Interface) GetBigInt() *BigInt { return &BigInt{*i.object.(**big.Int)} }
func (i *Interface) GetBigInts() *BigInts { return &BigInts{*i.object.(*[]*big.Int)} }
// Interfaces is a slices of wrapped generic objects.
type Interfaces struct {
objects []interface{}
}
// NewInterfaces creates a slice of uninitialized interfaces.
func NewInterfaces(size int) *Interfaces {
return &Interfaces{
objects: make([]interface{}, size),
}
}
// Size returns the number of interfaces in the slice.
func (i *Interfaces) Size() int {
return len(i.objects)
}
// Get returns the bigint at the given index from the slice.
func (i *Interfaces) Get(index int) (*Interface, error) {
if index < 0 || index >= len(i.objects) {
return nil, errors.New("index out of bounds")
}
return &Interface{i.objects[index]}, nil
}
// Set sets the big int at the given index in the slice.
func (i *Interfaces) Set(index int, object *Interface) error {
if index < 0 || index >= len(i.objects) {
return errors.New("index out of bounds")
}
i.objects[index] = object.object
return nil
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received pi copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains wrappers for the p2p package.
package geth
import (
"errors"
"github.com/ethereum/go-ethereum/p2p"
)
// NodeInfo represents pi short summary of the information known about the host.
type NodeInfo struct {
info *p2p.NodeInfo
}
func (ni *NodeInfo) GetID() string { return ni.info.ID }
func (ni *NodeInfo) GetName() string { return ni.info.Name }
func (ni *NodeInfo) GetEnode() string { return ni.info.Enode }
func (ni *NodeInfo) GetIP() string { return ni.info.IP }
func (ni *NodeInfo) GetDiscoveryPort() int { return ni.info.Ports.Discovery }
func (ni *NodeInfo) GetListenerPort() int { return ni.info.Ports.Listener }
func (ni *NodeInfo) GetListenerAddress() string { return ni.info.ListenAddr }
func (ni *NodeInfo) GetProtocols() *Strings {
protos := []string{}
for proto, _ := range ni.info.Protocols {
protos = append(protos, proto)
}
return &Strings{protos}
}
// PeerInfo represents pi short summary of the information known about pi connected peer.
type PeerInfo struct {
info *p2p.PeerInfo
}
func (pi *PeerInfo) GetID() string { return pi.info.ID }
func (pi *PeerInfo) GetName() string { return pi.info.Name }
func (pi *PeerInfo) GetCaps() *Strings { return &Strings{pi.info.Caps} }
func (pi *PeerInfo) GetLocalAddress() string { return pi.info.Network.LocalAddress }
func (pi *PeerInfo) GetRemoteAddress() string { return pi.info.Network.RemoteAddress }
// PeerInfos represents a slice of infos about remote peers.
type PeerInfos struct {
infos []*p2p.PeerInfo
}
// Size returns the number of peer info entries in the slice.
func (pi *PeerInfos) Size() int {
return len(pi.infos)
}
// Get returns the peer info at the given index from the slice.
func (pi *PeerInfos) Get(index int) (*PeerInfo, error) {
if index < 0 || index >= len(pi.infos) {
return nil, errors.New("index out of bounds")
}
return &PeerInfo{pi.infos[index]}, nil
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received s copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains various wrappers for primitive types.
package geth
import (
"errors"
"fmt"
)
// Strings represents s slice of strs.
type Strings struct{ strs []string }
// Size returns the number of strs in the slice.
func (s *Strings) Size() int {
return len(s.strs)
}
// Get returns the string at the given index from the slice.
func (s *Strings) Get(index int) (string, error) {
if index < 0 || index >= len(s.strs) {
return "", errors.New("index out of bounds")
}
return s.strs[index], nil
}
// Set sets the string at the given index in the slice.
func (s *Strings) Set(index int, str string) error {
if index < 0 || index >= len(s.strs) {
return errors.New("index out of bounds")
}
s.strs[index] = str
return nil
}
// String implements the Stringer interface.
func (s *Strings) String() string {
return fmt.Sprintf("%v", s.strs)
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the core/types package.
package geth
import (
"errors"
"fmt"
"github.com/ethereum/go-ethereum/core/types"
)
// A Nonce is a 64-bit hash which proves (combined with the mix-hash) that
// a sufficient amount of computation has been carried out on a block.
type Nonce struct {
nonce types.BlockNonce
}
// GetBytes retrieves the byte representation of the block nonce.
func (n *Nonce) GetBytes() []byte {
return n.nonce[:]
}
// GetHex retrieves the hex string representation of the block nonce.
func (n *Nonce) GetHex() string {
return fmt.Sprintf("0x%x", n.nonce[:])
}
// Bloom represents a 256 bit bloom filter.
type Bloom struct {
bloom types.Bloom
}
// GetBytes retrieves the byte representation of the bloom filter.
func (b *Bloom) GetBytes() []byte {
return b.bloom[:]
}
// GetHex retrieves the hex string representation of the bloom filter.
func (b *Bloom) GetHex() string {
return fmt.Sprintf("0x%x", b.bloom[:])
}
// Header represents a block header in the Ethereum blockchain.
type Header struct {
header *types.Header
}
func (h *Header) GetParentHash() *Hash { return &Hash{h.header.ParentHash} }
func (h *Header) GetUncleHash() *Hash { return &Hash{h.header.UncleHash} }
func (h *Header) GetCoinbase() *Address { return &Address{h.header.Coinbase} }
func (h *Header) GetRoot() *Hash { return &Hash{h.header.Root} }
func (h *Header) GetTxHash() *Hash { return &Hash{h.header.TxHash} }
func (h *Header) GetReceiptHash() *Hash { return &Hash{h.header.ReceiptHash} }
func (h *Header) GetBloom() *Bloom { return &Bloom{h.header.Bloom} }
func (h *Header) GetDifficulty() *BigInt { return &BigInt{h.header.Difficulty} }
func (h *Header) GetNumber() int64 { return h.header.Number.Int64() }
func (h *Header) GetGasLimit() int64 { return h.header.GasLimit.Int64() }
func (h *Header) GetGasUsed() int64 { return h.header.GasUsed.Int64() }
func (h *Header) GetTime() int64 { return h.header.Time.Int64() }
func (h *Header) GetExtra() []byte { return h.header.Extra }
func (h *Header) GetMixDigest() *Hash { return &Hash{h.header.MixDigest} }
func (h *Header) GetNonce() *Nonce { return &Nonce{h.header.Nonce} }
func (h *Header) GetHash() *Hash { return &Hash{h.header.Hash()} }
func (h *Header) GetHashNoNonce() *Hash { return &Hash{h.header.HashNoNonce()} }
// Headers represents a slice of headers.
type Headers struct{ headers []*types.Header }
// Size returns the number of headers in the slice.
func (h *Headers) Size() int {
return len(h.headers)
}
// Get returns the header at the given index from the slice.
func (h *Headers) Get(index int) (*Header, error) {
if index < 0 || index >= len(h.headers) {
return nil, errors.New("index out of bounds")
}
return &Header{h.headers[index]}, nil
}
// Block represents an entire block in the Ethereum blockchain.
type Block struct {
block *types.Block
}
func (b *Block) GetParentHash() *Hash { return &Hash{b.block.ParentHash()} }
func (b *Block) GetUncleHash() *Hash { return &Hash{b.block.UncleHash()} }
func (b *Block) GetCoinbase() *Address { return &Address{b.block.Coinbase()} }
func (b *Block) GetRoot() *Hash { return &Hash{b.block.Root()} }
func (b *Block) GetTxHash() *Hash { return &Hash{b.block.TxHash()} }
func (b *Block) GetReceiptHash() *Hash { return &Hash{b.block.ReceiptHash()} }
func (b *Block) GetBloom() *Bloom { return &Bloom{b.block.Bloom()} }
func (b *Block) GetDifficulty() *BigInt { return &BigInt{b.block.Difficulty()} }
func (b *Block) GetNumber() int64 { return b.block.Number().Int64() }
func (b *Block) GetGasLimit() int64 { return b.block.GasLimit().Int64() }
func (b *Block) GetGasUsed() int64 { return b.block.GasUsed().Int64() }
func (b *Block) GetTime() int64 { return b.block.Time().Int64() }
func (b *Block) GetExtra() []byte { return b.block.Extra() }
func (b *Block) GetMixDigest() *Hash { return &Hash{b.block.MixDigest()} }
func (b *Block) GetNonce() int64 { return int64(b.block.Nonce()) }
func (b *Block) GetHash() *Hash { return &Hash{b.block.Hash()} }
func (b *Block) GetHashNoNonce() *Hash { return &Hash{b.block.HashNoNonce()} }
func (b *Block) GetHeader() *Header { return &Header{b.block.Header()} }
func (b *Block) GetUncles() *Headers { return &Headers{b.block.Uncles()} }
func (b *Block) GetTransactions() *Transactions { return &Transactions{b.block.Transactions()} }
func (b *Block) GetTransaction(hash *Hash) *Transaction {
return &Transaction{b.block.Transaction(hash.hash)}
}
// Transaction represents a single Ethereum transaction.
type Transaction struct {
tx *types.Transaction
}
func (tx *Transaction) GetData() []byte { return tx.tx.Data() }
func (tx *Transaction) GetGas() int64 { return tx.tx.Gas().Int64() }
func (tx *Transaction) GetGasPrice() *BigInt { return &BigInt{tx.tx.GasPrice()} }
func (tx *Transaction) GetValue() *BigInt { return &BigInt{tx.tx.Value()} }
func (tx *Transaction) GetNonce() int64 { return int64(tx.tx.Nonce()) }
func (tx *Transaction) GetHash() *Hash { return &Hash{tx.tx.Hash()} }
func (tx *Transaction) GetSigHash() *Hash { return &Hash{tx.tx.SigHash()} }
func (tx *Transaction) GetCost() *BigInt { return &BigInt{tx.tx.Cost()} }
func (tx *Transaction) GetFrom() (*Address, error) {
from, err := tx.tx.From()
return &Address{from}, err
}
func (tx *Transaction) GetTo() *Address {
if to := tx.tx.To(); to != nil {
return &Address{*to}
}
return nil
}
func (tx *Transaction) WithSignature(sig []byte) (*Transaction, error) {
t, err := tx.tx.WithSignature(sig)
return &Transaction{t}, err
}
// Transactions represents a slice of transactions.
type Transactions struct{ txs types.Transactions }
// Size returns the number of transactions in the slice.
func (t *Transactions) Size() int {
return len(t.txs)
}
// Get returns the transaction at the given index from the slice.
func (t *Transactions) Get(index int) (*Transaction, error) {
if index < 0 || index >= len(t.txs) {
return nil, errors.New("index out of bounds")
}
return &Transaction{t.txs[index]}, nil
}
// Receipt represents the results of a transaction.
type Receipt struct {
receipt *types.Receipt
}
func (r *Receipt) GetPostState() []byte { return r.receipt.PostState }
func (r *Receipt) GetCumulativeGasUsed() *BigInt { return &BigInt{r.receipt.CumulativeGasUsed} }
func (r *Receipt) GetBloom() *Bloom { return &Bloom{r.receipt.Bloom} }
func (r *Receipt) GetLogs() *Logs { return &Logs{r.receipt.Logs} }
func (r *Receipt) GetTxHash() *Hash { return &Hash{r.receipt.TxHash} }
func (r *Receipt) GetContractAddress() *Address { return &Address{r.receipt.ContractAddress} }
func (r *Receipt) GetGasUsed() *BigInt { return &BigInt{r.receipt.GasUsed} }

56
mobile/vm.go Normal file
View File

@ -0,0 +1,56 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the core/types package.
package geth
import (
"errors"
"github.com/ethereum/go-ethereum/core/vm"
)
// Log represents a contract log event. These events are generated by the LOG
// opcode and stored/indexed by the node.
type Log struct {
log *vm.Log
}
func (l *Log) GetAddress() *Address { return &Address{l.log.Address} }
func (l *Log) GetTopics() *Hashes { return &Hashes{l.log.Topics} }
func (l *Log) GetData() []byte { return l.log.Data }
func (l *Log) GetBlockNumber() int64 { return int64(l.log.BlockNumber) }
func (l *Log) GetTxHash() *Hash { return &Hash{l.log.TxHash} }
func (l *Log) GetTxIndex() int { return int(l.log.TxIndex) }
func (l *Log) GetBlockHash() *Hash { return &Hash{l.log.BlockHash} }
func (l *Log) GetIndex() int { return int(l.log.Index) }
// Logs represents a slice of VM logs.
type Logs struct{ logs vm.Logs }
// Size returns the number of logs in the slice.
func (l *Logs) Size() int {
return len(l.logs)
}
// Get returns the log at the given index from the slice.
func (l *Logs) Get(index int) (*Log, error) {
if index < 0 || index >= len(l.logs) {
return nil, errors.New("index out of bounds")
}
return &Log{l.logs[index]}, nil
}

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@ -35,7 +35,7 @@ import (
"github.com/ethereum/go-ethereum/crypto/secp256k1" "github.com/ethereum/go-ethereum/crypto/secp256k1"
) )
const nodeIDBits = 512 const NodeIDBits = 512
// Node represents a host on the network. // Node represents a host on the network.
// The fields of Node may not be modified. // The fields of Node may not be modified.
@ -209,7 +209,7 @@ func MustParseNode(rawurl string) *Node {
// NodeID is a unique identifier for each node. // NodeID is a unique identifier for each node.
// The node identifier is a marshaled elliptic curve public key. // The node identifier is a marshaled elliptic curve public key.
type NodeID [nodeIDBits / 8]byte type NodeID [NodeIDBits / 8]byte
// NodeID prints as a long hexadecimal number. // NodeID prints as a long hexadecimal number.
func (n NodeID) String() string { func (n NodeID) String() string {

View File

@ -748,7 +748,7 @@ type NodeInfo struct {
Protocols map[string]interface{} `json:"protocols"` Protocols map[string]interface{} `json:"protocols"`
} }
// Info gathers and returns a collection of metadata known about the host. // NodeInfo gathers and returns a collection of metadata known about the host.
func (srv *Server) NodeInfo() *NodeInfo { func (srv *Server) NodeInfo() *NodeInfo {
node := srv.Self() node := srv.Self()