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move NewContractAddress to types and use ripemd160

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This commit is contained in:
Ethan Buchman
2015-08-02 22:20:49 -04:00
parent 4ee387d077
commit 6f25dfef44
3 changed files with 18 additions and 7 deletions
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13
types/tx.go
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@@ -5,10 +5,12 @@ import (
"errors"
"io"
"github.com/tendermint/tendermint/Godeps/_workspace/src/golang.org/x/crypto/ripemd160"
acm "github.com/tendermint/tendermint/account"
"github.com/tendermint/tendermint/wire"
. "github.com/tendermint/tendermint/common"
ptypes "github.com/tendermint/tendermint/permission/types"
"github.com/tendermint/tendermint/wire"
)
var (
@@ -189,6 +191,15 @@ func (tx *CallTx) String() string {
return Fmt("CallTx{%v -> %x: %x}", tx.Input, tx.Address, tx.Data)
}
func NewContractAddress(caller []byte, nonce int) []byte {
temp := make([]byte, 32+8)
copy(temp, caller)
PutInt64BE(temp[32:], int64(nonce))
hasher := ripemd160.New()
hasher.Write(temp) // does not error
return hasher.Sum(nil)
}
//-----------------------------------------------------------------------------
type NameTx struct {