OP_0NOTEQUAL:"Pop the top item from the stack as a VM Number. If its value is not 0, push a 1 (VM Number), otherwise, push a 0 (VM Number)."
OP_1
OP_1:"Push a 1 (VM Number) onto the stack."
OP_10
OP_10:"Push a 10 (VM Number) onto the stack."
OP_11
OP_11:"Push a 11 (VM Number) onto the stack."
OP_12
OP_12:"Push a 12 (VM Number) onto the stack."
OP_13
OP_13:"Push a 13 (VM Number) onto the stack."
OP_14
OP_14:"Push a 14 (VM Number) onto the stack."
OP_15
OP_15:"Push a 15 (VM Number) onto the stack."
OP_16
OP_16:"Push a 16 (VM Number) onto the stack."
OP_1ADD
OP_1ADD:"Pop the top item from the stack as a VM Number, add 1, then push the result."
OP_1NEGATE
OP_1NEGATE:"Push the VM Number -1 onto the stack."
OP_1SUB
OP_1SUB:"Pop the top item from the stack as a VM Number, subtract 1, then push the result."
OP_2
OP_2:"Push a 2 (VM Number) onto the stack."
OP_2DIV
OP_2DIV:"Error, even when found in an unexecuted conditional branch. (Historically, this divided a VM Number by 2.)"
OP_2DROP
OP_2DROP:"Pop the top 2 items from the stack and discard them."
OP_2DUP
OP_2DUP:"Duplicate the top 2 items on the stack. (E.g. [a, b] -> [a, b, a, b])"
OP_2MUL
OP_2MUL:"Error, even when found in an unexecuted conditional branch. (Historically, this multiplied a VM Number by 2.)"
OP_2OVER
OP_2OVER:"Duplicate the 2 items beginning at a depth of 2 on the stack. (E.g. [a, b, c, d] -> [a, b, c, d, a, b])"
OP_2ROT
OP_2ROT:"Rotate the top 6 items on the stack, bringing the fifth and sixth items to the top. (E.g. [a, b, c, d, e, f] -> [c, d, e, f, a, b])"
OP_2SWAP
OP_2SWAP:"Swap the positions of the top two pairs of items on the stack. (E.g. [a, b, c, d] -> [c, d, a, b])"
OP_3
OP_3:"Push a 3 (VM Number) onto the stack."
OP_3DUP
OP_3DUP:"Duplicate the top 3 items on the stack. (E.g. [a, b, c] -> [a, b, c, a, b, c])"
OP_4
OP_4:"Push a 4 (VM Number) onto the stack."
OP_5
OP_5:"Push a 5 (VM Number) onto the stack."
OP_6
OP_6:"Push a 6 (VM Number) onto the stack."
OP_7
OP_7:"Push a 7 (VM Number) onto the stack."
OP_8
OP_8:"Push a 8 (VM Number) onto the stack."
OP_9
OP_9:"Push a 9 (VM Number) onto the stack."
OP_ABS
OP_ABS:"Pop the top item from the stack as a VM Number, take its absolute value, then push the result."
OP_ACTIVEBYTECODE
OP_ACTIVEBYTECODE:"Push the bytecode currently being evaluated, beginning after the last executed OP_CODESEPARATOR, to the stack. For Pay-to-Script-Hash (P2SH) evaluations, this is the redeem bytecode of the Unspent Transaction Output (UTXO) being spent; for all other evaluations, this is the locking bytecode of the UTXO being spent."
OP_ADD
OP_ADD:"Pop the top two items from the stack as VM Numbers. Add them, then push the result."
OP_AND
OP_AND:"Pop the top 2 items from the stack and perform a bitwise AND on each byte, pushing the result. If the length of the items are not equal, error."
OP_BIN2NUM
OP_BIN2NUM:"Pop the top item from the stack as a VM Number without encoding restrictions. Minimally-encode the number and push the result. (If the number can't be encoded in 4 bytes or less, error.)"
OP_BOOLAND
OP_BOOLAND:"Pop the top two items from the stack as VM Numbers. If neither value is a 0 (VM Number), push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_BOOLOR
OP_BOOLOR:"Pop the top two items from the stack as VM Numbers. If either value is a 1 (VM Number), push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_CAT
OP_CAT:"Pop the top 2 items from the stack and concatenate them, pushing the result."
OP_CHECKDATASIG
OP_CHECKDATASIG:"Pop the top 3 items from the stack. Treat the top as a public key, the second as a message, and the third as a signature. If the signature is valid, push a 1 (VM Number), otherwise push a 0 (VM Number)."
OP_CHECKDATASIGVERIFY
OP_CHECKDATASIGVERIFY:"Pop the top 3 items from the stack. Treat the top as a public key, the second as a message, and the third as a signature. If the signature is not valid, error. (This operation is a combination of OP_CHECKDATASIG followed by OP_VERIFY.)"
OP_CHECKLOCKTIMEVERIFY
OP_CHECKLOCKTIMEVERIFY:"Verify the transaction occurs after an absolute block time or height: read the top item on the stack as a VM Number (without removing it), and compare it to the transaction's locktime. If the required locktime has not passed, or if locktime has been disabled for this input by a maximized sequence number, error."
OP_CHECKMULTISIG
OP_CHECKMULTISIG:"Pop items from the stack: first pop the VM Number of public keys, then pop each of those public keys. Next, pop the VM Number of required signatures, then pop each of those signatures. Finally, pop a final VM Number that must be 0 due to a protocol bug. Checking each signature against each public key in order, if all signatures are valid – and the required number of signatures have been provided – push a 1 (VM Number), otherwise push a 0 (VM Number)."
OP_CHECKMULTISIGVERIFY
OP_CHECKMULTISIGVERIFY:"Pop items from the stack: first pop the VM Number of public keys, then pop each of those public keys. Next, pop the VM Number of required signatures, then pop each of those signatures. Finally, (due to a protocol bug) pop an unused final VM Number that must be 0. Checking each signature against each public key in order, if any signatures are invalid – or the required number of signatures have not been provided – error. (This operation is a combination of OP_CHECKMULTISIG followed by OP_VERIFY.)"
OP_CHECKSEQUENCEVERIFY
OP_CHECKSEQUENCEVERIFY:"Verify the transaction occurs after the output being spent has \"aged\" by a relative block time or block height since it was created: read the top item on the stack as a VM Number (without removing it), and compare it to the age encoded in the input's sequence number. If the required relative locktime has not passed, or if relative locktime has been disabled by the sequence number or the transaction version, error."
OP_CHECKSIG
OP_CHECKSIG:"Pop the top two items from the stack. Treat the top as a signature and the second as a public key. If the signature is valid, push a 1 (VM Number), otherwise push a 0 (VM Number)."
OP_CHECKSIGVERIFY
OP_CHECKSIGVERIFY:"Pop the top two items from the stack. Treat the top as a signature and the second as a public key. If the signature is not valid, error. (This operation is a combination of OP_CHECKSIG followed by OP_VERIFY.)"
OP_CODESEPARATOR
OP_CODESEPARATOR:"Update the value of lastCodeSeparator to the instruction pointer's current value. (This reduces the coverage of signing serializations used in signature verification operations.)"
OP_DEPTH
OP_DEPTH:"Push the current number of stack items as a VM Number."
OP_DIV
OP_DIV:"Pop the top item from the stack as a denominator (VM Number) and the next as a numerator (VM Number). Divide and push the result to the stack."
OP_DROP
OP_DROP:"Pop the top item from the stack and discard it. (E.g. [a] -> [])"
OP_DUP
OP_DUP:"Duplicate the top item on the stack. (E.g. [a] -> [a, a])"
OP_ELSE
OP_ELSE:"Invert conditional evaluation within the current OP_IF ... OP_ENDIF block. (If evaluation is enabled, disable it, if it is disabled, enable it.)"
OP_ENDIF
OP_ENDIF:"End the current OP_IF/OP_NOTIF ... OP_ENDIF block."
OP_EQUAL
OP_EQUAL:"Pop the top two items from the stack and compare them byte-by-byte. If they are the same, push a 1 (VM Number), otherwise push a 0 (VM Number)."
OP_EQUALVERIFY
OP_EQUALVERIFY:"Pop the top two items from the stack and compare them byte-by-byte. If the values are different, error. (This operation is a combination of OP_EQUAL followed by OP_VERIFY.)"
OP_FROMALTSTACK
OP_FROMALTSTACK:"Pop the top item from the alternate stack and push it onto the stack."
OP_GREATERTHAN
OP_GREATERTHAN:"Pop the top two items from the stack as VM Numbers. If the second item is greater than top item, push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_GREATERTHANOREQUAL
OP_GREATERTHANOREQUAL:"Pop the top two items from the stack as VM Numbers. If the second item is greater than or equal to the top item, push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_HASH160
OP_HASH160:"Pop the top item from the stack and pass it through sha256, then ripemd160, pushing the result onto the stack."
OP_HASH256
OP_HASH256:"Pop the top item from the stack and pass it through sha256 twice, pushing the result onto the stack."
OP_IF
OP_IF:"Pop the top item from the stack. If it is not \"truthy\", skip evaluation until a matching OP_ELSE or OP_ENDIF."
OP_IFDUP
OP_IFDUP:"If the top item on the stack is \"truthy\", duplicate it."
OP_INPUTBYTECODE
OP_INPUTBYTECODE:"Pop the top item from the stack as an input index (VM Number). Push the unlocking bytecode of the input at that index to the stack."
OP_INPUTINDEX
OP_INPUTINDEX:"Push the index of the input being evaluated to the stack as a VM Number."
OP_INPUTSEQUENCENUMBER
OP_INPUTSEQUENCENUMBER:"Pop the top item from the stack as an input index (VM Number). Push the sequence number of the input at that index to the stack as a VM Number."
OP_INVERT
OP_INVERT:"Error, even when found in an unexecuted conditional branch. (Historically, this flipped all the bits in a stack item.)"
OP_LESSTHAN
OP_LESSTHAN:"Pop the top two items from the stack as VM Numbers. If the second item is less than top item, push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_LESSTHANOREQUAL
OP_LESSTHANOREQUAL:"Pop the top two items from the stack as VM Numbers. If the second item is less than or equal to the top item, push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_LSHIFT
OP_LSHIFT:"Error, even when found in an unexecuted conditional branch. (Historically, this performed a sign-preserving, left bit shift.)"
OP_MAX
OP_MAX:"Pop the top two items from the stack as VM Numbers. Push the larger of the two numbers."
OP_MIN
OP_MIN:"Pop the top two items from the stack as VM Numbers. Push the smaller of the two numbers."
OP_MOD
OP_MOD:"Pop the top item from the stack as a denominator (VM Number) and the next as a numerator (VM Number). Divide and push the remainder to the stack."
OP_MUL
OP_MUL:"Pop the top two items from the stack as VM Numbers. Multiply them, then push the result."
OP_NEGATE
OP_NEGATE:"Pop the top item from the stack as a VM Number, negate it, then push the result."
OP_NIP
OP_NIP:"Remove the second-to-top item from the stack. (E.g. [a, b] -> [b])"
OP_NOP
OP_NOP:"No operation. Note: OP_NOP counts toward the opcode limit."
OP_NOP1
OP_NOP1:"No operation (reserved for future expansion). Note: OP_NOP1 counts toward the opcode limit."
OP_NOP10
OP_NOP10:"No operation (reserved for future expansion). Note: OP_NOP10 counts toward the opcode limit."
OP_NOP4
OP_NOP4:"No operation (reserved for future expansion). Note: OP_NOP4 counts toward the opcode limit."
OP_NOP5
OP_NOP5:"No operation (reserved for future expansion). Note: OP_NOP5 counts toward the opcode limit."
OP_NOP6
OP_NOP6:"No operation (reserved for future expansion). Note: OP_NOP6 counts toward the opcode limit."
OP_NOP7
OP_NOP7:"No operation (reserved for future expansion). Note: OP_NOP7 counts toward the opcode limit."
OP_NOP8
OP_NOP8:"No operation (reserved for future expansion). Note: OP_NOP8 counts toward the opcode limit."
OP_NOP9
OP_NOP9:"No operation (reserved for future expansion). Note: OP_NOP9 counts toward the opcode limit."
OP_NOT
OP_NOT:"Pop the top item from the stack as a VM Number. If its value is 0, push a 1 (VM Number), otherwise, push a 0 (VM Number)."
OP_NOTIF
OP_NOTIF:"Pop the top item from the stack. If it is \"truthy\", skip evaluation until a matching OP_ELSE or OP_ENDIF."
OP_NUM2BIN
OP_NUM2BIN:"Pop the top item from the stack as an item length (VM Number) and the next item as a VM Number (without encoding restrictions). Re-encode the number using a byte array of the provided length, filling any unused bytes with zeros, then push the result. (If the requested length is too short to encode the number, error.)"
OP_NUMEQUAL
OP_NUMEQUAL:"Pop the top two items from the stack as VM Numbers. If the values are equal, push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_NUMEQUALVERIFY
OP_NUMEQUALVERIFY:"Pop the top two items from the stack as VM Numbers. If the values are different, error. (This operation is a combination of OP_NUMEQUAL followed by OP_VERIFY.)"
OP_NUMNOTEQUAL
OP_NUMNOTEQUAL:"Pop the top two items from the stack as VM Numbers. If the values are not equal, push a 1 (VM Number). Otherwise, push a 0 (VM Number)."
OP_OR
OP_OR:"Pop the top 2 items from the stack and perform a bitwise OR on each byte, pushing the result. If the length of the items are not equal, error."
OP_OUTPOINTINDEX
OP_OUTPOINTINDEX:"Pop the top item from the stack as an input index (VM Number). From that input, push the outpoint index – the index of the output in the transaction that created the Unspent Transaction Output (UTXO) that is being spent – to the stack as a VM Number."
OP_OUTPOINTTXHASH
OP_OUTPOINTTXHASH:"Pop the top item from the stack as an input index (VM Number). From that input, push the outpoint transaction hash – the hash of the transaction that created the Unspent Transaction Output (UTXO) that is being spent – to the stack in OP_HASH256 byte order."
OP_OUTPUTBYTECODE
OP_OUTPUTBYTECODE:"Pop the top item from the stack as an output index (VM Number). Push the locking bytecode of the output at that index to the stack."
OP_OUTPUTVALUE
OP_OUTPUTVALUE:"Pop the top item from the stack as an output index (VM Number). Push the value (in satoshis) of the output at that index to the stack as a VM Number."
OP_OVER
OP_OVER:"Duplicate the second-to-top item on the stack. (E.g. [a, b] -> [a, b, a])"
OP_PICK
OP_PICK:"Pop the top item from the stack as a VM Number. Duplicate the item at that depth (zero-indexed), placing it on top of the stack. (E.g. [a, b, c, 2] -> [a, b, c, a])"
OP_PUSHBYTES_1
OP_PUSHBYTES_1:"Push the next byte onto the stack."
OP_PUSHBYTES_10
OP_PUSHBYTES_10:"Push the next 10 bytes onto the stack."
OP_PUSHBYTES_11
OP_PUSHBYTES_11:"Push the next 11 bytes onto the stack."
OP_PUSHBYTES_12
OP_PUSHBYTES_12:"Push the next 12 bytes onto the stack."
OP_PUSHBYTES_13
OP_PUSHBYTES_13:"Push the next 13 bytes onto the stack."
OP_PUSHBYTES_14
OP_PUSHBYTES_14:"Push the next 14 bytes onto the stack."
OP_PUSHBYTES_15
OP_PUSHBYTES_15:"Push the next 15 bytes onto the stack."
OP_PUSHBYTES_16
OP_PUSHBYTES_16:"Push the next 16 bytes onto the stack."
OP_PUSHBYTES_17
OP_PUSHBYTES_17:"Push the next 17 bytes onto the stack."
OP_PUSHBYTES_18
OP_PUSHBYTES_18:"Push the next 18 bytes onto the stack."
OP_PUSHBYTES_19
OP_PUSHBYTES_19:"Push the next 19 bytes onto the stack."
OP_PUSHBYTES_2
OP_PUSHBYTES_2:"Push the next 2 bytes onto the stack."
OP_PUSHBYTES_20
OP_PUSHBYTES_20:"Push the next 20 bytes onto the stack."
OP_PUSHBYTES_21
OP_PUSHBYTES_21:"Push the next 21 bytes onto the stack."
OP_PUSHBYTES_22
OP_PUSHBYTES_22:"Push the next 22 bytes onto the stack."
OP_PUSHBYTES_23
OP_PUSHBYTES_23:"Push the next 23 bytes onto the stack."
OP_PUSHBYTES_24
OP_PUSHBYTES_24:"Push the next 24 bytes onto the stack."
OP_PUSHBYTES_25
OP_PUSHBYTES_25:"Push the next 25 bytes onto the stack."
OP_PUSHBYTES_26
OP_PUSHBYTES_26:"Push the next 26 bytes onto the stack."
OP_PUSHBYTES_27
OP_PUSHBYTES_27:"Push the next 27 bytes onto the stack."
OP_PUSHBYTES_28
OP_PUSHBYTES_28:"Push the next 28 bytes onto the stack."
OP_PUSHBYTES_29
OP_PUSHBYTES_29:"Push the next 29 bytes onto the stack."
OP_PUSHBYTES_3
OP_PUSHBYTES_3:"Push the next 3 bytes onto the stack."
OP_PUSHBYTES_30
OP_PUSHBYTES_30:"Push the next 30 bytes onto the stack."
OP_PUSHBYTES_31
OP_PUSHBYTES_31:"Push the next 31 bytes onto the stack."
OP_PUSHBYTES_32
OP_PUSHBYTES_32:"Push the next 32 bytes onto the stack."
OP_PUSHBYTES_33
OP_PUSHBYTES_33:"Push the next 33 bytes onto the stack."
OP_PUSHBYTES_34
OP_PUSHBYTES_34:"Push the next 34 bytes onto the stack."
OP_PUSHBYTES_35
OP_PUSHBYTES_35:"Push the next 35 bytes onto the stack."
OP_PUSHBYTES_36
OP_PUSHBYTES_36:"Push the next 36 bytes onto the stack."
OP_PUSHBYTES_37
OP_PUSHBYTES_37:"Push the next 37 bytes onto the stack."
OP_PUSHBYTES_38
OP_PUSHBYTES_38:"Push the next 38 bytes onto the stack."
OP_PUSHBYTES_39
OP_PUSHBYTES_39:"Push the next 39 bytes onto the stack."
OP_PUSHBYTES_4
OP_PUSHBYTES_4:"Push the next 4 bytes onto the stack."
OP_PUSHBYTES_40
OP_PUSHBYTES_40:"Push the next 40 bytes onto the stack."
OP_PUSHBYTES_41
OP_PUSHBYTES_41:"Push the next 41 bytes onto the stack."
OP_PUSHBYTES_42
OP_PUSHBYTES_42:"Push the next 42 bytes onto the stack."
OP_PUSHBYTES_43
OP_PUSHBYTES_43:"Push the next 43 bytes onto the stack."
OP_PUSHBYTES_44
OP_PUSHBYTES_44:"Push the next 44 bytes onto the stack."
OP_PUSHBYTES_45
OP_PUSHBYTES_45:"Push the next 45 bytes onto the stack."
OP_PUSHBYTES_46
OP_PUSHBYTES_46:"Push the next 46 bytes onto the stack."
OP_PUSHBYTES_47
OP_PUSHBYTES_47:"Push the next 47 bytes onto the stack."
OP_PUSHBYTES_48
OP_PUSHBYTES_48:"Push the next 48 bytes onto the stack."
OP_PUSHBYTES_49
OP_PUSHBYTES_49:"Push the next 49 bytes onto the stack."
OP_PUSHBYTES_5
OP_PUSHBYTES_5:"Push the next 5 bytes onto the stack."
OP_PUSHBYTES_50
OP_PUSHBYTES_50:"Push the next 50 bytes onto the stack."
OP_PUSHBYTES_51
OP_PUSHBYTES_51:"Push the next 51 bytes onto the stack."
OP_PUSHBYTES_52
OP_PUSHBYTES_52:"Push the next 52 bytes onto the stack."
OP_PUSHBYTES_53
OP_PUSHBYTES_53:"Push the next 53 bytes onto the stack."
OP_PUSHBYTES_54
OP_PUSHBYTES_54:"Push the next 54 bytes onto the stack."
OP_PUSHBYTES_55
OP_PUSHBYTES_55:"Push the next 55 bytes onto the stack."
OP_PUSHBYTES_56
OP_PUSHBYTES_56:"Push the next 56 bytes onto the stack."
OP_PUSHBYTES_57
OP_PUSHBYTES_57:"Push the next 57 bytes onto the stack."
OP_PUSHBYTES_58
OP_PUSHBYTES_58:"Push the next 58 bytes onto the stack."
OP_PUSHBYTES_59
OP_PUSHBYTES_59:"Push the next 59 bytes onto the stack."
OP_PUSHBYTES_6
OP_PUSHBYTES_6:"Push the next 6 bytes onto the stack."
OP_PUSHBYTES_60
OP_PUSHBYTES_60:"Push the next 60 bytes onto the stack."
OP_PUSHBYTES_61
OP_PUSHBYTES_61:"Push the next 61 bytes onto the stack."
OP_PUSHBYTES_62
OP_PUSHBYTES_62:"Push the next 62 bytes onto the stack."
OP_PUSHBYTES_63
OP_PUSHBYTES_63:"Push the next 63 bytes onto the stack."
OP_PUSHBYTES_64
OP_PUSHBYTES_64:"Push the next 64 bytes onto the stack."
OP_PUSHBYTES_65
OP_PUSHBYTES_65:"Push the next 65 bytes onto the stack."
OP_PUSHBYTES_66
OP_PUSHBYTES_66:"Push the next 66 bytes onto the stack."
OP_PUSHBYTES_67
OP_PUSHBYTES_67:"Push the next 67 bytes onto the stack."
OP_PUSHBYTES_68
OP_PUSHBYTES_68:"Push the next 68 bytes onto the stack."
OP_PUSHBYTES_69
OP_PUSHBYTES_69:"Push the next 69 bytes onto the stack."
OP_PUSHBYTES_7
OP_PUSHBYTES_7:"Push the next 7 bytes onto the stack."
OP_PUSHBYTES_70
OP_PUSHBYTES_70:"Push the next 70 bytes onto the stack."
OP_PUSHBYTES_71
OP_PUSHBYTES_71:"Push the next 71 bytes onto the stack."
OP_PUSHBYTES_72
OP_PUSHBYTES_72:"Push the next 72 bytes onto the stack."
OP_PUSHBYTES_73
OP_PUSHBYTES_73:"Push the next 73 bytes onto the stack."
OP_PUSHBYTES_74
OP_PUSHBYTES_74:"Push the next 74 bytes onto the stack."
OP_PUSHBYTES_75
OP_PUSHBYTES_75:"Push the next 75 bytes onto the stack."
OP_PUSHBYTES_8
OP_PUSHBYTES_8:"Push the next 8 bytes onto the stack."
OP_PUSHBYTES_9
OP_PUSHBYTES_9:"Push the next 9 bytes onto the stack."
OP_PUSHDATA_1
OP_PUSHDATA_1:"Read the next Uint8 and push that number of bytes onto the stack."
OP_PUSHDATA_2
OP_PUSHDATA_2:"Read the next little-endian Uint16 and push that number of bytes onto the stack."
OP_PUSHDATA_4
OP_PUSHDATA_4:"Read the next little-endian Uint32 and push that number of bytes onto the stack."
OP_RESERVED
OP_RESERVED:"Error unless found in an unexecuted conditional branch. Note: OP_RESERVED does not count toward the opcode limit."
OP_RESERVED1
OP_RESERVED1:"Error unless found in an unexecuted conditional branch. Note: OP_RESERVED1 counts toward the opcode limit."
OP_RESERVED2
OP_RESERVED2:"Error unless found in an unexecuted conditional branch. Note: OP_RESERVED2 counts toward the opcode limit."
OP_RETURN
OP_RETURN:"Error when executed."
OP_REVERSEBYTES
OP_REVERSEBYTES:"Pop the top item from the stack and reverse it, pushing the result."
OP_RIPEMD160
OP_RIPEMD160:"Pop the top item from the stack and pass it through ripemd160, pushing the result onto the stack."
OP_ROLL
OP_ROLL:"Pop the top item from the stack as a VM Number. Move the item at that depth (zero-indexed) to the top of the stack. (E.g. [a, b, c, 2] -> [b, c, a])"
OP_ROT
OP_ROT:"Rotate the top 3 items on the stack, bringing the third item to the top. (E.g. [a, b, c] -> [b, c, a])"
OP_RSHIFT
OP_RSHIFT:"Error, even when found in an unexecuted conditional branch. (Historically, this performed a sign-preserving, right bit shift.)"
OP_SHA1
OP_SHA1:"Pop the top item from the stack and pass it through sha1, pushing the result onto the stack."
OP_SHA256
OP_SHA256:"Pop the top item from the stack and pass it through sha256, pushing the result onto the stack."
OP_SIZE
OP_SIZE:"Push the byte-length of the top stack item as a VM Number."
OP_SPLIT
OP_SPLIT:"Pop the top item from the stack as an index (VM Number) and the next item as a byte array. Split the byte array into two stack items at the index (zero-based), pushing the results."
OP_SUB
OP_SUB:"Pop the top two items from the stack as VM Numbers. Subtract the top item from the second item, then push the result."
OP_SWAP
OP_SWAP:"Swap the top two items on the stack. (E.g. [a, b] -> [b, a])"
OP_TOALTSTACK
OP_TOALTSTACK:"Pop the top item from the stack and push it onto the alternate stack."
OP_TUCK
OP_TUCK:"Duplicate the item at the top of the stack, inserting it below the second-to-top item. (E.g. [a, b] -> [b, a, b])"
OP_TXINPUTCOUNT
OP_TXINPUTCOUNT:"Push the count of inputs in the current transaction to the stack as a VM Number."
OP_TXLOCKTIME
OP_TXLOCKTIME:"Push the locktime of the current transaction to the stack as a VM Number."
OP_TXOUTPUTCOUNT
OP_TXOUTPUTCOUNT:"Push the count of outputs in the current transaction to the stack as a VM Number."
OP_TXVERSION
OP_TXVERSION:"Push the version of the current transaction to the stack as a VM Number."
OP_UTXOBYTECODE
OP_UTXOBYTECODE:"Pop the top item from the stack as an input index (VM Number). Push the full locking bytecode of the Unspent Transaction Output (UTXO) spent by that input to the stack."
OP_UTXOVALUE
OP_UTXOVALUE:"Pop the top item from the stack as an input index (VM Number). Push the value (in satoshis) of the Unspent Transaction Output (UTXO) spent by that input to the stack as a VM Number."
OP_VER
OP_VER:"Error unless found in an unexecuted conditional branch. Note: OP_VER counts toward the opcode limit. (Historically, this pushed a protocol version number to the stack.)"
OP_VERIF
OP_VERIF:"Error, even when found in an unexecuted conditional branch. (Historically, this was a combination of OP_VER and OP_IF.)"
OP_VERIFY
OP_VERIFY:"Pop the top item from the stack and error if it isn't \"truthy\"."
OP_VERNOTIF
OP_VERNOTIF:"Error, even when found in an unexecuted conditional branch. (Historically, this was a combination of OP_VER and OP_NOTIF.)"
OP_WITHIN
OP_WITHIN:"Pop the top three items from the stack as VM Numbers. If the top number is within the range defined by the following two numbers (left-inclusive), push a 1 (VM Number). Otherwise, push a 0 (VM Number). (E.g. for [a, b, c]: if (b <= a), and (a < c), [1]. Else [0].)"
OP_XOR
OP_XOR:"Pop the top 2 items from the stack and perform a bitwise XOR on each byte, pushing the result. If the length of the items are not equal, error."