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author | Péter Szilágyi <peterke@gmail.com> | 2015-11-18 00:33:25 +0800 |
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committer | Péter Szilágyi <peterke@gmail.com> | 2015-11-27 17:06:12 +0800 |
commit | 1e806c4c775bd98b224eb0249007502d348e737b (patch) | |
tree | a34bfcac320df6f65e73eb1578b212289be86b5f /common/types.go | |
parent | 8a44451edfa36ea40da564a2fa7ea905d45440a4 (diff) | |
download | dexon-1e806c4c775bd98b224eb0249007502d348e737b.tar.gz dexon-1e806c4c775bd98b224eb0249007502d348e737b.tar.zst dexon-1e806c4c775bd98b224eb0249007502d348e737b.zip |
cmd, common, core, eth, node, rpc, tests, whisper, xeth: use protocol stacks
Diffstat (limited to 'common/types.go')
-rw-r--r-- | common/types.go | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/common/types.go b/common/types.go index 624f4b826..ea5838188 100644 --- a/common/types.go +++ b/common/types.go @@ -24,13 +24,13 @@ import ( ) const ( - hashLength = 32 - addressLength = 20 + HashLength = 32 + AddressLength = 20 ) type ( - Hash [hashLength]byte - Address [addressLength]byte + Hash [HashLength]byte + Address [AddressLength]byte ) func BytesToHash(b []byte) Hash { @@ -53,10 +53,10 @@ func (h Hash) Hex() string { return "0x" + Bytes2Hex(h[:]) } // Sets the hash to the value of b. If b is larger than len(h) it will panic func (h *Hash) SetBytes(b []byte) { if len(b) > len(h) { - b = b[len(b)-hashLength:] + b = b[len(b)-HashLength:] } - copy(h[hashLength-len(b):], b) + copy(h[HashLength-len(b):], b) } // Set string `s` to h. If s is larger than len(h) it will panic @@ -92,6 +92,18 @@ func StringToAddress(s string) Address { return BytesToAddress([]byte(s)) } func BigToAddress(b *big.Int) Address { return BytesToAddress(b.Bytes()) } func HexToAddress(s string) Address { return BytesToAddress(FromHex(s)) } +// IsHexAddress verifies whether a string can represent a valid hex-encoded +// Ethereum address or not. +func IsHexAddress(s string) bool { + if len(s) == 2+2*AddressLength && IsHex(s[2:]) { + return true + } + if len(s) == 2*AddressLength && IsHex(s) { + return true + } + return false +} + // Get the string representation of the underlying address func (a Address) Str() string { return string(a[:]) } func (a Address) Bytes() []byte { return a[:] } @@ -102,9 +114,9 @@ func (a Address) Hex() string { return "0x" + Bytes2Hex(a[:]) } // Sets the address to the value of b. If b is larger than len(a) it will panic func (a *Address) SetBytes(b []byte) { if len(b) > len(a) { - b = b[len(b)-addressLength:] + b = b[len(b)-AddressLength:] } - copy(a[addressLength-len(b):], b) + copy(a[AddressLength-len(b):], b) } // Set string `s` to a. If s is larger than len(a) it will panic |