From 5789aba4b29783afc7236249b2135f6d707d5d23 Mon Sep 17 00:00:00 2001 From: BlockChainDev Date: Wed, 27 Feb 2019 22:52:58 +0000 Subject: [PATCH] Add instructions file for vm --- pkg/vm/instructions.go | 133 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 pkg/vm/instructions.go diff --git a/pkg/vm/instructions.go b/pkg/vm/instructions.go new file mode 100644 index 000000000..6a78f6a6a --- /dev/null +++ b/pkg/vm/instructions.go @@ -0,0 +1,133 @@ +package vm + +// Instruction represents a operation code in the neovm +type Instruction byte + +// Viable list of supported instruction constants. +const ( + // Constants + PUSH0 Instruction = 0x00 + PUSHF Instruction = PUSH0 + PUSHBYTES1 Instruction = 0x01 + PUSHBYTES75 Instruction = 0x4B + PUSHDATA1 Instruction = 0x4C + PUSHDATA2 Instruction = 0x4D + PUSHDATA4 Instruction = 0x4E + PUSHM1 Instruction = 0x4F + PUSH1 Instruction = 0x51 + PUSHT Instruction = PUSH1 + PUSH2 Instruction = 0x52 + PUSH3 Instruction = 0x53 + PUSH4 Instruction = 0x54 + PUSH5 Instruction = 0x55 + PUSH6 Instruction = 0x56 + PUSH7 Instruction = 0x57 + PUSH8 Instruction = 0x58 + PUSH9 Instruction = 0x59 + PUSH10 Instruction = 0x5A + PUSH11 Instruction = 0x5B + PUSH12 Instruction = 0x5C + PUSH13 Instruction = 0x5D + PUSH14 Instruction = 0x5E + PUSH15 Instruction = 0x5F + PUSH16 Instruction = 0x60 + + // Flow control + NOP Instruction = 0x61 + JMP Instruction = 0x62 + JMPIF Instruction = 0x63 + JMPIFNOT Instruction = 0x64 + CALL Instruction = 0x65 + RET Instruction = 0x66 + APPCALL Instruction = 0x67 + SYSCALL Instruction = 0x68 + TAILCALL Instruction = 0x69 + + // Stack + DUPFROMALTSTACK Instruction = 0x6A + TOALTSTACK Instruction = 0x6B + FROMALTSTACK Instruction = 0x6C + XDROP Instruction = 0x6D + XSWAP Instruction = 0x72 + XTUCK Instruction = 0x73 + DEPTH Instruction = 0x74 + DROP Instruction = 0x75 + DUP Instruction = 0x76 + NIP Instruction = 0x77 + OVER Instruction = 0x78 + PICK Instruction = 0x79 + ROLL Instruction = 0x7A + ROT Instruction = 0x7B + SWAP Instruction = 0x7C + TUCK Instruction = 0x7D + + // Splice + CAT Instruction = 0x7E + SUBSTR Instruction = 0x7F + LEFT Instruction = 0x80 + RIGHT Instruction = 0x81 + SIZE Instruction = 0x82 + + // Bitwise logic + INVERT Instruction = 0x83 + AND Instruction = 0x84 + OR Instruction = 0x85 + XOR Instruction = 0x86 + EQUAL Instruction = 0x87 + + // Arithmetic + INC Instruction = 0x8B + DEC Instruction = 0x8C + SIGN Instruction = 0x8D + NEGATE Instruction = 0x8F + ABS Instruction = 0x90 + NOT Instruction = 0x91 + NZ Instruction = 0x92 + ADD Instruction = 0x93 + SUB Instruction = 0x94 + MUL Instruction = 0x95 + DIV Instruction = 0x96 + MOD Instruction = 0x97 + SHL Instruction = 0x98 + SHR Instruction = 0x99 + BOOLAND Instruction = 0x9A + BOOLOR Instruction = 0x9B + NUMEQUAL Instruction = 0x9C + NUMNOTEQUAL Instruction = 0x9E + LT Instruction = 0x9F + GT Instruction = 0xA0 + LTE Instruction = 0xA1 + GTE Instruction = 0xA2 + MIN Instruction = 0xA3 + MAX Instruction = 0xA4 + WITHIN Instruction = 0xA5 + + // Crypto + SHA1 Instruction = 0xA7 + SHA256 Instruction = 0xA8 + HASH160 Instruction = 0xA9 + HASH256 Instruction = 0xAA + CHECKSIG Instruction = 0xAC + CHECKMULTISIG Instruction = 0xAE + + // Array + ARRAYSIZE Instruction = 0xC0 + PACK Instruction = 0xC1 + UNPACK Instruction = 0xC2 + PICKITEM Instruction = 0xC3 + SETITEM Instruction = 0xC4 + NEWARRAY Instruction = 0xC5 + NEWSTRUCT Instruction = 0xC6 + APPEND Instruction = 0xC8 + REVERSE Instruction = 0xC9 + REMOVE Instruction = 0xCA + + // Exceptions + THROW Instruction = 0xF0 + THROWIFNOT Instruction = 0xF1 +) + +// Value returns the byte-value of the opcode. +func (i Instruction) Value() byte { + return byte(i) +}