Official Go implementation of the Ethereum protocol
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go-ethereum/core/vm/disasm.go

21 lines
594 B

package vm
import "fmt"
func Disasm(code []byte) []string {
var out []string
for pc := uint64(0); pc < uint64(len(code)); pc++ {
op := OpCode(code[pc])
out = append(out, op.String())
switch op {
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
a := uint64(op) - uint64(PUSH1) + 1
out = append(out, fmt.Sprintf("0x%x", code[pc+1:pc+1+a]))
pc += a
}
}
return out
}