BlockchainTransactionSign  (for Bitcoin)

$BlockchainBase = "Bitcoin"

BlockchainTransactionSign[obj,key]

digitally signs a Bitcoin blockchain transaction using the specified private key.

BlockchainTransactionSign[obj,{key1,key2,…}]

digitally signs a transaction using all the keys keyi.

BlockchainTransactionSign[obj,{assoc1,assoc2,…}]

digitally signs a transaction where associ contains Pay-to-Script-Hash data.

Details

  • Digitally signs a Bitcoin blockchain transaction using the specified private key.
  • In BlockchainTransactionSign[obj,…], obj is a BlockchainTransaction object.
  • The key for BlockchainTransactionSign must be a PrivateKey object or a hex string representing a private key.
  • BlockchainTransactionSign returns a blockchain transaction object with True as the value of its property "Signed" and with the added property "RawTransaction".
  • For a Bitcoin BlockchainTransaction object, BlockchainTransactionSign will use the value of the property "SignatureHash" provided with each input to determine the appropriate digital signature method.
  • Multiple private keys can be given in any order.
  • If an input of the transaction belongs to a Pay-to-Script-Hash address, the association in the list must have the following elements:
  • "Data"list of elements used during the execution of the script
    "Script"valid Bitcoin script
  • "Data" may contain PrivateKey objects, hexadecimal strings or Bitcoin script opcodes according to the script. PrivateKey objects will be used for signing the corresponding input. "Script" is a valid Bitcoin script composed of opcodes and hexadecimal strings.
  • If an input of the transaction is related to a multi-signature script, the association in the list must have the following elements:
  • "PrivateKeys"list of PrivateKey objects used for signing
    "PublicKeys"list of all the PublicKey objects used in the script
    "RequiredKeys"minimum number of private keys required

Examples

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Basic Examples  (1)

Create a Bitcoin Pay-to-Public-Key-Hash BlockchainTransaction:

Sign the transaction object using a WIF-encoded private key:

Scope  (3)

Multiple Key Signatures  (1)

Sign a Bitcoin transaction with multiple keys:

Pay-to-Script-Hash Input  (1)

Sign a Bitcoin transaction with an input that belongs to a Pay-to-Script-Hash address:

The association must include the "Data" required to run the "Script" used when creating the Pay-to-Script-Hash address:

The PrivateKey object in "Data" was used to create a signature of the transaction that appears in the final transaction object:

Multi-signature Input  (1)

Sign a Bitcoin transaction with an input related to a multi-signature script:

The transaction must be signed with a minimum number of private keys from the participants according to the "RequiredKeys" parameter:

Alternatively, the transaction object can be signed sequentially by each participant:

Applications  (1)

Create a Bitcoin Pay-to-Public-Key-Hash BlockchainTransaction:

Sign the transaction object using a WIF-encoded private key:

Send the signed transaction to the Bitcoin blockchain:

Possible Issues  (1)

Incorrect Private Key  (1)

Providing an invalid private key will return a $Failed output:

Wolfram Research (2019), BlockchainTransactionSign, Wolfram Language function, https://reference.wolfram.com/language/ref/blockchain/BlockchainTransactionSign-Bitcoin.html.

Text

Wolfram Research (2019), BlockchainTransactionSign, Wolfram Language function, https://reference.wolfram.com/language/ref/blockchain/BlockchainTransactionSign-Bitcoin.html.

CMS

Wolfram Language. 2019. "BlockchainTransactionSign." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/blockchain/BlockchainTransactionSign-Bitcoin.html.

APA

Wolfram Language. (2019). BlockchainTransactionSign. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/blockchain/BlockchainTransactionSign-Bitcoin.html

BibTeX

@misc{reference.wolfram_2024_blockchaintransactionsign, author="Wolfram Research", title="{BlockchainTransactionSign}", year="2019", howpublished="\url{https://reference.wolfram.com/language/ref/blockchain/BlockchainTransactionSign-Bitcoin.html}", note=[Accessed: 05-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_blockchaintransactionsign, organization={Wolfram Research}, title={BlockchainTransactionSign}, year={2019}, url={https://reference.wolfram.com/language/ref/blockchain/BlockchainTransactionSign-Bitcoin.html}, note=[Accessed: 05-November-2024 ]}