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Get auth module to compile

This commit is contained in:
Ethan Frey 2017-10-24 13:01:11 +02:00
parent 53e9106b09
commit cce6e6cb33
1 changed files with 15 additions and 21 deletions
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36
modules/auth/signature.go
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@ -5,8 +5,6 @@ import (
sdk "github.com/cosmos/cosmos-sdk"
"github.com/cosmos/cosmos-sdk/errors"
"github.com/cosmos/cosmos-sdk/stack"
"github.com/cosmos/cosmos-sdk/state"
)
//nolint
@ -17,16 +15,9 @@ const (
// Signatures parses out go-crypto signatures and adds permissions to the
// context for use inside the application
type Signatures struct {
stack.PassInitState
stack.PassInitValidate
}
// Name of the module - fulfills Middleware interface
func (Signatures) Name() string {
return NameSigs
}
var _ stack.Middleware = Signatures{}
var _ sdk.Decorator = Signatures{}
// SigPerm takes the binary address from PubKey.Address and makes it an Actor
func SigPerm(addr []byte) sdk.Actor {
@ -35,28 +26,31 @@ func SigPerm(addr []byte) sdk.Actor {
// Signable allows us to use txs.OneSig and txs.MultiSig (and others??)
type Signable interface {
sdk.TxLayer
Signers() ([]crypto.PubKey, error)
}
// CheckTx verifies the signatures are correct - fulfills Middlware interface
func (Signatures) CheckTx(ctx sdk.Context, store state.SimpleDB, tx sdk.Tx, next sdk.Checker) (res sdk.CheckResult, err error) {
sigs, tnext, err := getSigners(tx)
func (Signatures) CheckTx(ctx sdk.Context, store sdk.SimpleDB,
tx interface{}, next sdk.Checker) (res sdk.CheckResult, err error) {
sigs, err := getSigners(tx)
if err != nil {
return res, err
}
ctx2 := addSigners(ctx, sigs)
return next.CheckTx(ctx2, store, tnext)
return next.CheckTx(ctx2, store, tx)
}
// DeliverTx verifies the signatures are correct - fulfills Middlware interface
func (Signatures) DeliverTx(ctx sdk.Context, store state.SimpleDB, tx sdk.Tx, next sdk.Deliver) (res sdk.DeliverResult, err error) {
sigs, tnext, err := getSigners(tx)
func (Signatures) DeliverTx(ctx sdk.Context, store sdk.SimpleDB,
tx interface{}, next sdk.Deliverer) (res sdk.DeliverResult, err error) {
sigs, err := getSigners(tx)
if err != nil {
return res, err
}
ctx2 := addSigners(ctx, sigs)
return next.DeliverTx(ctx2, store, tnext)
return next.DeliverTx(ctx2, store, tx)
}
func addSigners(ctx sdk.Context, sigs []crypto.PubKey) sdk.Context {
@ -68,11 +62,11 @@ func addSigners(ctx sdk.Context, sigs []crypto.PubKey) sdk.Context {
return ctx.WithPermissions(perms...)
}
func getSigners(tx sdk.Tx) ([]crypto.PubKey, sdk.Tx, error) {
stx, ok := tx.Unwrap().(Signable)
func getSigners(tx interface{}) ([]crypto.PubKey, error) {
stx, ok := tx.(Signable)
if !ok {
return nil, sdk.Tx{}, errors.ErrUnauthorized()
return nil, errors.ErrUnauthorized()
}
sig, err := stx.Signers()
return sig, stx.Next(), err
return sig, err
}