func NewTestBackend() *testBackend { HashRegAddr = common.BigToAddress(common.Big0).Hex() //[2:] UrlHintAddr = common.BigToAddress(common.Big1).Hex() //[2:] self := &testBackend{} self.contracts = make(map[string](map[string]string)) self.contracts[HashRegAddr[2:]] = make(map[string]string) key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:])) self.contracts[HashRegAddr[2:]][key] = hash.Hex() self.contracts[UrlHintAddr[2:]] = make(map[string]string) mapaddr := storageMapping(storageIdx2Addr(1), hash[:]) key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0))) self.contracts[UrlHintAddr[2:]][key] = common.ToHex([]byte(url)) key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1))) self.contracts[UrlHintAddr[2:]][key] = "0x0" return self }
func abiSignature(s string) string { return common.ToHex(crypto.Sha3([]byte(s))[:4]) }
func storageAddress(addr []byte) string { return common.ToHex(addr) }