mobile: add toString & rlp/json encoding for protocol types

This commit is contained in:
Péter Szilágyi 2017-05-11 00:18:35 +03:00
parent c5840ce12f
commit 953a995116
No known key found for this signature in database
GPG Key ID: E9AE538CEDF8293D
1 changed files with 159 additions and 3 deletions

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@ -19,10 +19,12 @@
package geth
import (
"encoding/json"
"errors"
"fmt"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
)
// A Nonce is a 64-bit hash which proves (combined with the mix-hash) that
@ -61,6 +63,45 @@ type Header struct {
header *types.Header
}
// NewHeaderFromRLP parses a header from an RLP data dump.
func NewHeaderFromRLP(data []byte) (*Header, error) {
h := &Header{
header: new(types.Header),
}
if err := rlp.DecodeBytes(data, h.header); err != nil {
return nil, err
}
return h, nil
}
// EncodeRLP encodes a header into an RLP data dump.
func (h *Header) EncodeRLP() ([]byte, error) {
return rlp.EncodeToBytes(h.header)
}
// NewHeaderFromJSON parses a header from an JSON data dump.
func NewHeaderFromJSON(data string) (*Header, error) {
h := &Header{
header: new(types.Header),
}
if err := json.Unmarshal([]byte(data), h.header); err != nil {
return nil, err
}
return h, nil
}
// EncodeJSON encodes a header into an JSON data dump.
func (h *Header) EncodeJSON() (string, error) {
data, err := json.Marshal(h.header)
return string(data), err
}
// String implements the fmt.Stringer interface to print some semi-meaningful
// data dump of the header for debugging purposes.
func (h *Header) String() string {
return h.header.String()
}
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} }
@ -76,9 +117,7 @@ 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()} }
func (h *Header) GetHash() *Hash { return &Hash{h.header.Hash()} }
// Headers represents a slice of headers.
type Headers struct{ headers []*types.Header }
@ -101,6 +140,45 @@ type Block struct {
block *types.Block
}
// NewBlockFromRLP parses a block from an RLP data dump.
func NewBlockFromRLP(data []byte) (*Block, error) {
b := &Block{
block: new(types.Block),
}
if err := rlp.DecodeBytes(data, b.block); err != nil {
return nil, err
}
return b, nil
}
// EncodeRLP encodes a block into an RLP data dump.
func (b *Block) EncodeRLP() ([]byte, error) {
return rlp.EncodeToBytes(b.block)
}
// NewBlockFromJSON parses a block from an JSON data dump.
func NewBlockFromJSON(data string) (*Block, error) {
b := &Block{
block: new(types.Block),
}
if err := json.Unmarshal([]byte(data), b.block); err != nil {
return nil, err
}
return b, nil
}
// EncodeJSON encodes a block into an JSON data dump.
func (b *Block) EncodeJSON() (string, error) {
data, err := json.Marshal(b.block)
return string(data), err
}
// String implements the fmt.Stringer interface to print some semi-meaningful
// data dump of the block for debugging purposes.
func (b *Block) String() string {
return b.block.String()
}
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()} }
@ -137,6 +215,45 @@ func NewTransaction(nonce int64, to *Address, amount, gasLimit, gasPrice *BigInt
return &Transaction{types.NewTransaction(uint64(nonce), to.address, amount.bigint, gasLimit.bigint, gasPrice.bigint, data)}
}
// NewTransactionFromRLP parses a transaction from an RLP data dump.
func NewTransactionFromRLP(data []byte) (*Transaction, error) {
tx := &Transaction{
tx: new(types.Transaction),
}
if err := rlp.DecodeBytes(data, tx.tx); err != nil {
return nil, err
}
return tx, nil
}
// EncodeRLP encodes a transaction into an RLP data dump.
func (tx *Transaction) EncodeRLP() ([]byte, error) {
return rlp.EncodeToBytes(tx.tx)
}
// NewTransactionFromJSON parses a transaction from an JSON data dump.
func NewTransactionFromJSON(data string) (*Transaction, error) {
tx := &Transaction{
tx: new(types.Transaction),
}
if err := json.Unmarshal([]byte(data), tx.tx); err != nil {
return nil, err
}
return tx, nil
}
// EncodeJSON encodes a transaction into an JSON data dump.
func (tx *Transaction) EncodeJSON() (string, error) {
data, err := json.Marshal(tx.tx)
return string(data), err
}
// String implements the fmt.Stringer interface to print some semi-meaningful
// data dump of the transaction for debugging purposes.
func (tx *Transaction) String() string {
return tx.tx.String()
}
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()} }
@ -185,6 +302,45 @@ type Receipt struct {
receipt *types.Receipt
}
// NewReceiptFromRLP parses a transaction receipt from an RLP data dump.
func NewReceiptFromRLP(data []byte) (*Receipt, error) {
r := &Receipt{
receipt: new(types.Receipt),
}
if err := rlp.DecodeBytes(data, r.receipt); err != nil {
return nil, err
}
return r, nil
}
// EncodeRLP encodes a transaction receipt into an RLP data dump.
func (r *Receipt) EncodeRLP() ([]byte, error) {
return rlp.EncodeToBytes(r.receipt)
}
// NewReceiptFromJSON parses a transaction receipt from an JSON data dump.
func NewReceiptFromJSON(data string) (*Receipt, error) {
r := &Receipt{
receipt: new(types.Receipt),
}
if err := json.Unmarshal([]byte(data), r.receipt); err != nil {
return nil, err
}
return r, nil
}
// EncodeJSON encodes a transaction receipt into an JSON data dump.
func (r *Receipt) EncodeJSON() (string, error) {
data, err := rlp.EncodeToBytes(r.receipt)
return string(data), err
}
// String implements the fmt.Stringer interface to print some semi-meaningful
// data dump of the transaction receipt for debugging purposes.
func (r *Receipt) String() string {
return r.receipt.String()
}
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} }