diff options
Diffstat (limited to 'ethutil')
-rw-r--r-- | ethutil/common.go | 6 | ||||
-rw-r--r-- | ethutil/config.go | 19 | ||||
-rw-r--r-- | ethutil/parsing.go | 161 | ||||
-rw-r--r-- | ethutil/rlp.go | 4 | ||||
-rw-r--r-- | ethutil/trie_test.go | 1 |
5 files changed, 126 insertions, 65 deletions
diff --git a/ethutil/common.go b/ethutil/common.go index 07df6bb13..f15b10e6d 100644 --- a/ethutil/common.go +++ b/ethutil/common.go @@ -33,3 +33,9 @@ func CurrencyToString(num *big.Int) string { return fmt.Sprintf("%v Wei", num) } + +var ( + Big1 = big.NewInt(1) + Big0 = big.NewInt(0) + Big256 = big.NewInt(0xff) +) diff --git a/ethutil/config.go b/ethutil/config.go index 5fdc8e1c5..54b066fb9 100644 --- a/ethutil/config.go +++ b/ethutil/config.go @@ -6,6 +6,7 @@ import ( "os" "os/user" "path" + "runtime" ) type LogType byte @@ -19,12 +20,13 @@ const ( type config struct { Db Database - Log *Logger - ExecPath string - Debug bool - Ver string - Pubkey []byte - Seed bool + Log *Logger + ExecPath string + Debug bool + Ver string + ClientString string + Pubkey []byte + Seed bool } var Config *config @@ -48,11 +50,16 @@ func ReadConfig(base string) *config { Config = &config{ExecPath: path, Debug: true, Ver: "0.3.1"} Config.Log = NewLogger(LogFile|LogStd, LogLevelDebug) + Config.SetClientString("/Ethereum(G)") } return Config } +func (c *config) SetClientString(str string) { + Config.ClientString = fmt.Sprintf("%s nv%s/%s", str, c.Ver, runtime.GOOS) +} + type LoggerType byte const ( diff --git a/ethutil/parsing.go b/ethutil/parsing.go index 553bb9717..8929f0829 100644 --- a/ethutil/parsing.go +++ b/ethutil/parsing.go @@ -7,57 +7,72 @@ import ( // Op codes var OpCodes = map[string]byte{ - "STOP": 0x00, - "ADD": 0x01, - "MUL": 0x02, - "SUB": 0x03, - "DIV": 0x04, - "SDIV": 0x05, - "MOD": 0x06, - "SMOD": 0x07, - "EXP": 0x08, - "NEG": 0x09, - "LT": 0x0a, - "LE": 0x0b, - "GT": 0x0c, - "GE": 0x0d, - "EQ": 0x0e, - "NOT": 0x0f, - "MYADDRESS": 0x10, - "TXSENDER": 0x11, - "TXVALUE": 0x12, - "TXDATAN": 0x13, - "TXDATA": 0x14, - "BLK_PREVHASH": 0x15, - "BLK_COINBASE": 0x16, - "BLK_TIMESTAMP": 0x17, - "BLK_NUMBER": 0x18, - "BLK_DIFFICULTY": 0x19, - "BLK_NONCE": 0x1a, - "BASEFEE": 0x1b, - "SHA256": 0x20, - "RIPEMD160": 0x21, - "ECMUL": 0x22, - "ECADD": 0x23, - "ECSIGN": 0x24, - "ECRECOVER": 0x25, - "ECVALID": 0x26, - "SHA3": 0x27, - "PUSH": 0x30, - "POP": 0x31, - "DUP": 0x32, - "SWAP": 0x33, - "MLOAD": 0x34, - "MSTORE": 0x35, - "SLOAD": 0x36, - "SSTORE": 0x37, - "JMP": 0x38, - "JMPI": 0x39, - "IND": 0x3a, - "EXTRO": 0x3b, - "BALANCE": 0x3c, - "MKTX": 0x3d, - "SUICIDE": 0x3f, + // 0x0 range - arithmetic ops + "STOP": 0x00, + "ADD": 0x01, + "MUL": 0x02, + "SUB": 0x03, + "DIV": 0x04, + "SDIV": 0x05, + "MOD": 0x06, + "SMOD": 0x07, + "EXP": 0x08, + "NEG": 0x09, + "LT": 0x0a, + "GT": 0x0b, + "EQ": 0x0c, + "NOT": 0x0d, + + // 0x10 range - bit ops + "AND": 0x10, + "OR": 0x11, + "XOR": 0x12, + "BYTE": 0x13, + + // 0x20 range - crypto + "SHA3": 0x20, + + // 0x30 range - closure state + "ADDRESS": 0x30, + "BALANCE": 0x31, + "ORIGIN": 0x32, + "CALLER": 0x33, + "CALLVALUE": 0x34, + "CALLDATA": 0x35, + "CALLDATASIZE": 0x36, + "GASPRICE": 0x38, + + // 0x40 range - block operations + "PREVHASH": 0x40, + "COINBASE": 0x41, + "TIMESTAMP": 0x42, + "NUMBER": 0x43, + "DIFFICULTY": 0x44, + "GASLIMIT": 0x45, + + // 0x50 range - 'storage' and execution + "PUSH": 0x50, + "POP": 0x51, + "DUP": 0x52, + "SWAP": 0x53, + "MLOAD": 0x54, + "MSTORE": 0x55, + "MSTORE8": 0x56, + "SLOAD": 0x57, + "SSTORE": 0x58, + "JUMP": 0x59, + "JUMPI": 0x5a, + "PC": 0x5b, + "MSIZE": 0x5c, + + // 0x60 range - closures + "CREATE": 0x60, + "CALL": 0x61, + "RETURN": 0x62, + + // 0x70 range - other + "LOG": 0x70, + "SUICIDE": 0x7f, } func IsOpCode(s string) bool { @@ -69,16 +84,30 @@ func IsOpCode(s string) bool { return false } -func CompileInstr(s string) ([]byte, error) { - isOp := IsOpCode(s) - if isOp { - return []byte{OpCodes[s]}, nil - } +func CompileInstr(s interface{}) ([]byte, error) { + switch s.(type) { + case string: + str := s.(string) + isOp := IsOpCode(str) + if isOp { + return []byte{OpCodes[str]}, nil + } - num := new(big.Int) - num.SetString(s, 0) + num := new(big.Int) + _, success := num.SetString(str, 0) + // Assume regular bytes during compilation + if !success { + num.SetBytes([]byte(str)) + } + + return num.Bytes(), nil + case int: + return big.NewInt(int64(s.(int))).Bytes(), nil + case []byte: + return BigD(s.([]byte)).Bytes(), nil + } - return num.Bytes(), nil + return nil, nil } func Instr(instr string) (int, []string, error) { @@ -99,3 +128,17 @@ func Instr(instr string) (int, []string, error) { return op, args[1:7], nil } + +// Script compilation functions +// Compiles strings to machine code +func Compile(instructions ...interface{}) (script []string) { + script = make([]string, len(instructions)) + + for i, val := range instructions { + instr, _ := CompileInstr(val) + + script[i] = string(instr) + } + + return +} diff --git a/ethutil/rlp.go b/ethutil/rlp.go index e633f5f1d..33ec0d359 100644 --- a/ethutil/rlp.go +++ b/ethutil/rlp.go @@ -9,6 +9,10 @@ import ( "math/big" ) +type RlpEncodable interface { + RlpEncode() []byte +} + type RlpEncoder struct { rlpData []byte } diff --git a/ethutil/trie_test.go b/ethutil/trie_test.go index 7c398f1de..79e5de921 100644 --- a/ethutil/trie_test.go +++ b/ethutil/trie_test.go @@ -1,6 +1,7 @@ package ethutil import ( + "fmt" "reflect" "testing" ) |