Module bitcointx::op

Script commands

Constants

ABS	The input is made positive
ADD	Adds a to b
ADD1	Adds 1 to the input
AND	Boolean and between each bit in the inputs
BIN2NUM	Converts byte sequence x into a numeric value
BOOLAND	If both a and b are not empty, the output is 1. Otherwise, 0.
BOOLOR	If a or b is not empty, the output is 1. Otherwise, 0.
CAT	Concatenates two byte sequences
CHECKLOCKTIMEVERIFY	Marks transaction as invalid if the top stack item is greater than the transaction's lock_time
CHECKMULTISIG	Puts 1 on the stack if m of n signatures authorize the public key and transaction hash. Otherwise 0.
CHECKMULTISIGVERIFY	Same as OP_CHECKMULTISIG, but OP_VERIFY is executed afterward
CHECKSEQUENCEVERIFY	Marks transaction as invalid if the top stack item is less than the transaction's sequence used for relative lock time
CHECKSIG	Puts 1 on the stack if the signature authorizes the public key and transaction hash. Otherwise 0.
CHECKSIGVERIFY	Same as OP_CHECKSIG, but OP_VERIFY is executed afterward
CODESEPARATOR	Marks the part of the script after which the signature will begin matching
DEPTH	Puts the number of stack items onto the stack
DIV	Divides a by b
DIV2	The input is divided by 2
DROP	Drops the top stack value
DROP2	Removes the top two items from the stack
DUP	Duplicates the top stack item
DUP2	Duplicates the top two stack items
DUP3	Duplicates the top three stack items
ELSE	If the preceding OP_IF or OP_NOTIF statemetns were not executed, then statements are executed.
ENDIF	Ends an if-else block
EQUAL	Returns 1 if the inputs are exactly equal, 0 otherwise
EQUALVERIFY	Same as OP_EQUAL, but runs OP_VERIFY afterward
FALSE	Pushes 0 onto the stack
FROMALTSTACK	Moves the top item on the alt stack to the main stack
GREATERTHAN	Returns 1 if a is greater than b. Otherwise, 0.
GREATERTHANOREQUAL	Returns 1 if a is greater than or equal to b. Otherwise, 0.
HASH160	The input is hashed twice: first with SHA-256 and then with RIPEMD-160
HASH256	The input is hashed two times with SHA-256
IF	If the top stack is true, statements are executed. Top stack value is removed.
IFDUP	Duplicates the top stack value if it is not zero
INVALIDOPCODE	Matches any opcode that is not yet assigned
INVALID_ABOVE	Words at or above this number are invalid
INVERT	Flips all of the bits in the input
LESSTHAN	Returns 1 if a is less than b. Otherwise, 0.
LESSTHANOREQUAL	Returns 1 if a is less than or equal to b. Otherwise, 0.
LSHIFT	Shifts a left b bits, preserving sign
MAX	Returns the larger of a and b
MIN	Returns the smaller of a and b
MOD	Returns the remainder after dividing a by b
MUL	Multiplies a by b
MUL2	The input is multiplied by 2
NEGATE	The sign of the input is flipped
NEGATIVE1	Pushes -1 onto the stack
NIP	Removes the second-to-top stack item
NOP	Does nothing
NOP1	The word is ignored. Does not mark transaction as invalid.
NOP4	The word is ignored. Does not mark transaction as invalid.
NOP5	The word is ignored. Does not mark transaction as invalid.
NOP6	The word is ignored. Does not mark transaction as invalid.
NOP7	The word is ignored. Does not mark transaction as invalid.
NOP8	The word is ignored. Does not mark transaction as invalid.
NOP9	The word is ignored. Does not mark transaction as invalid.
NOP10	The word is ignored. Does not mark transaction as invalid.
NOT	If the input is 0 or 1, it is flipped. Otherwise, the output will be 0.
NOTEQUAL0	Returns 0 if the input is 0. 1 otherwise.
NOTIF	If the top stack is false, statements are executed. Top stack value is removed.
NUM1	Pushes 1 onto the stack
NUM2	Pushes 2 onto the stack
NUM2BIN	Converts numeric value a into a byte sequence of length b
NUM3	Pushes 3 onto the stack
NUM4	Pushes 4 onto the stack
NUM5	Pushes 5 onto the stack
NUM6	Pushes 6 onto the stack
NUM7	Pushes 7 onto the stack
NUM8	Pushes 8 onto the stack
NUM9	Pushes 9 onto the stack
NUM10	Pushes 10 onto the stack
NUM11	Pushes 11 onto the stack
NUM12	Pushes 12 onto the stack
NUM13	Pushes 13 onto the stack
NUM14	Pushes 14 onto the stack
NUM15	Pushes 15 onto the stack
NUM16	Pushes 16 onto the stack
NUMEQUAL	Returns 1 if the numbers are equal. Otherwise, 0.
NUMEQUALVERIFY	Same as OP_NUMEQUAL, but runs OP_VERIFY afterward
NUMNOTEQUAL	Returns 1 if the numbers are not equal. Otherwise, 0.
OR	Boolean or between each bit in the inputs
OVER	Copies the second-to-top stack item to the top
OVER2	Copies the pair of items two spaces back to the front
PICK	The item n back in the stack is copied to the top
PUBKEY	Represents a public key compatible with OP_CHECKSIG
PUBKEYHASH	Represents a public key hashed with OP_HASH160
PUSH0	Offset by n to push n bytes onto the stack, where n: [1-75]
PUSH75
PUSHDATA1	The next byte sets the number of bytes to push onto the stack
PUSHDATA2	The next two bytes sets the number of bytes to push onto the stack
PUSHDATA4	The next four bytes sets the number of bytes to push onto the stack
RESERVED	Transaction is invalid unless occuring in an unexecuted OP_IF branch
RESERVED1	Transaction is invalid unless occuring in an unexecuted OP_IF branch
RESERVED2	Transaction is invalid unless occuring in an unexecuted OP_IF branch
RETURN	Marks a statements as invalid
RIPEMD160	The input is hashed using RIPEMD-160
ROLL	The item n back in the stack is moved to the top
ROT	The top three items on the stack are rotated to the left
ROT2	The fifth and sixth items back are moved to the top of the stack
RSHIFT	Shifts a right b bits, preserving sign
SHA1	The input is hashed using SHA-1
SHA256	The input is hashed using SHA-256
SIZE	Pushes the byte sequence length of the top stack item without popping it
SPLIT	Splits the byte sequence at position n
SUB	Subtracts b from a
SUB1	Subtracts 1 from the input
SWAP	The top two items on the stack are swapped
SWAP2	Swaps the top two pairs of items
TOALTSTACK	Moves the top item on the main stack to the alt stack
TRUE	Pushes 1 onto the stack
TUCK	The item at the top of the stack is copied and inserted before the second-to-top item
VER	Transaction is invalid unless occuring in an unexecuted OP_IF branch
VERIF	Transaction is invalid even when occuring in an unexecuted OP_IF branch
VERIFY	Marks a statement as invalid if the top stack value is false. Top stack value is removed.
VERNOTIF	Transaction is invalid even when occuring in an unexecuted OP_IF branch
WITHIN	Returns 1 if x is within the specified range, left inclusive. Otherwise, 0.
XOR	Boolean exclusive or between each bit in the inputs