mirror of
https://github.com/nspcc-dev/neo-go.git
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c1b6738bdb
* VM:Add abstract stack item * VM: Add stackItems; Array, Boolean, Int and ByteArray * VM: Add tests for stack item * VM: first pass at Random Access Stack object * VM: Add Sub, Mul, Mod LSH, RSH * VM: moved test helper functions into separate file * VM: removed helper functions from stack_test.go * Add conversions for bytearray and Int stack items * Add instructions file for vm * - Add guide to stack readme - Add testReadInt64 * Add Builder * Refactor Int, Boolean, ByteArray conversion * Add Context stack Item * Add Invocation stack - convenience RAS * rename testhelper to test_helper * Move opcode file * - Add `Add` OpCode - Add Opcode Function map * - Add test for math `Add` opcode - basic opcode execution * Add popTwoIntegers convenience func * Add `SUB` Opcode * Export Context Read methods - Return errors where failable * - Add `Op` to handleOP func signature - Add PushNBytes OPcode * remove error on NewBoolean - Expose underlying with Getter on Boolean StackItem - Add Equals method for ByteArray * Make Next() method on Context failable, refactor peekContext and Peek * Add ExecuteOp, Step and Run methods on the VM * Add Equal Opcode * Add THROWIFNOT Opcode * Add RET Opcode * Refactor PushNBytes Opcode * refactor Add, Sub to return VMSTATE add popTwoByteArrays helper function * Add basic tests for vm * clarify vm states * Add astack * [VM] Pass ResultStack to the opcode handlers * [VM] refactor handlers to have rstack as argument * [Stack] - Change RemoveCurrentContext for PopCurrentContext - Add CopTo method to stack * [VM] Add Result stack Len check in simple run test * [VM] fix typo * [Peer/Stall] Change seconds to milliseconds in test
133 lines
3.6 KiB
Go
133 lines
3.6 KiB
Go
package stack
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// Instruction represents a operation code in the neovm
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type Instruction byte
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// Viable list of supported instruction constants.
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const (
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// Constants
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PUSH0 Instruction = 0x00
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PUSHF Instruction = PUSH0
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PUSHBYTES1 Instruction = 0x01
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PUSHBYTES75 Instruction = 0x4B
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PUSHDATA1 Instruction = 0x4C
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PUSHDATA2 Instruction = 0x4D
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PUSHDATA4 Instruction = 0x4E
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PUSHM1 Instruction = 0x4F
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PUSH1 Instruction = 0x51
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PUSHT Instruction = PUSH1
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PUSH2 Instruction = 0x52
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PUSH3 Instruction = 0x53
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PUSH4 Instruction = 0x54
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PUSH5 Instruction = 0x55
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PUSH6 Instruction = 0x56
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PUSH7 Instruction = 0x57
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PUSH8 Instruction = 0x58
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PUSH9 Instruction = 0x59
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PUSH10 Instruction = 0x5A
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PUSH11 Instruction = 0x5B
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PUSH12 Instruction = 0x5C
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PUSH13 Instruction = 0x5D
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PUSH14 Instruction = 0x5E
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PUSH15 Instruction = 0x5F
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PUSH16 Instruction = 0x60
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// Flow control
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NOP Instruction = 0x61
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JMP Instruction = 0x62
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JMPIF Instruction = 0x63
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JMPIFNOT Instruction = 0x64
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CALL Instruction = 0x65
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RET Instruction = 0x66
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APPCALL Instruction = 0x67
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SYSCALL Instruction = 0x68
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TAILCALL Instruction = 0x69
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// Stack
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DUPFROMALTSTACK Instruction = 0x6A
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TOALTSTACK Instruction = 0x6B
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FROMALTSTACK Instruction = 0x6C
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XDROP Instruction = 0x6D
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XSWAP Instruction = 0x72
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XTUCK Instruction = 0x73
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DEPTH Instruction = 0x74
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DROP Instruction = 0x75
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DUP Instruction = 0x76
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NIP Instruction = 0x77
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OVER Instruction = 0x78
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PICK Instruction = 0x79
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ROLL Instruction = 0x7A
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ROT Instruction = 0x7B
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SWAP Instruction = 0x7C
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TUCK Instruction = 0x7D
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// Splice
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CAT Instruction = 0x7E
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SUBSTR Instruction = 0x7F
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LEFT Instruction = 0x80
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RIGHT Instruction = 0x81
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SIZE Instruction = 0x82
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// Bitwise logic
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INVERT Instruction = 0x83
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AND Instruction = 0x84
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OR Instruction = 0x85
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XOR Instruction = 0x86
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EQUAL Instruction = 0x87
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// Arithmetic
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INC Instruction = 0x8B
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DEC Instruction = 0x8C
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SIGN Instruction = 0x8D
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NEGATE Instruction = 0x8F
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ABS Instruction = 0x90
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NOT Instruction = 0x91
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NZ Instruction = 0x92
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ADD Instruction = 0x93
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SUB Instruction = 0x94
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MUL Instruction = 0x95
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DIV Instruction = 0x96
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MOD Instruction = 0x97
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SHL Instruction = 0x98
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SHR Instruction = 0x99
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BOOLAND Instruction = 0x9A
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BOOLOR Instruction = 0x9B
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NUMEQUAL Instruction = 0x9C
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NUMNOTEQUAL Instruction = 0x9E
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LT Instruction = 0x9F
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GT Instruction = 0xA0
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LTE Instruction = 0xA1
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GTE Instruction = 0xA2
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MIN Instruction = 0xA3
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MAX Instruction = 0xA4
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WITHIN Instruction = 0xA5
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// Crypto
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SHA1 Instruction = 0xA7
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SHA256 Instruction = 0xA8
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HASH160 Instruction = 0xA9
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HASH256 Instruction = 0xAA
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CHECKSIG Instruction = 0xAC
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CHECKMULTISIG Instruction = 0xAE
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// Array
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ARRAYSIZE Instruction = 0xC0
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PACK Instruction = 0xC1
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UNPACK Instruction = 0xC2
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PICKITEM Instruction = 0xC3
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SETITEM Instruction = 0xC4
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NEWARRAY Instruction = 0xC5
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NEWSTRUCT Instruction = 0xC6
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APPEND Instruction = 0xC8
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REVERSE Instruction = 0xC9
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REMOVE Instruction = 0xCA
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// Exceptions
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THROW Instruction = 0xF0
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THROWIFNOT Instruction = 0xF1
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)
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// Value returns the byte-value of the opcode.
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func (i Instruction) Value() byte {
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return byte(i)
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}
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