Signature¶

Bitcoin signature.

class swap.providers.bitcoin.signature.Signature(network: str = 'mainnet', version: int = 2)¶

Bitcoin Signature.

Parameters

network (str) – Bitcoin network, defaults to mainnet.
version (int) – Bitcoin transaction version, defaults to 2.

Returns

Signature – Bitcoin signature instance.

Note

Bitcoin has only two networks, mainnet and testnet.

fee() → int¶

Get Bitcoin transaction fee.

Returns: int – Bitcoin transaction fee.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import FundSolver
>>> unsigned_fund_transaction_raw = "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"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> fund_solver = FundSolver(sender_root_xprivate_key)
>>> signature = Signature("testnet")
>>> signature.sign(unsigned_fund_transaction_raw, fund_solver)
>>> signature.fee()
678

hash() → str¶

Get Bitcoin signature transaction hash.

Returns: str – Bitcoin signature transaction hash or transaction id.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import ClaimSolver
>>> unsigned_claim_transaction_raw = "eyJmZWUiOiA1NzYsICJyYXciOiAiMDIwMDAwMDAwMTE4MjNmMzlhOGM1ZjZmMjc4NDVkZDEzYTY1ZTAzZmUyZWY1MTA4ZDIzNWU3YTM2ZWRiNmViMjY3YjA0NTljNWEwMDAwMDAwMDAwZmZmZmZmZmYwMWQwMjQwMDAwMDAwMDAwMDAxOTc2YTkxNDBlMjU5ZTA4ZjJlYzlmYzk5YTkyYjZmNjZmZGZjYjNjNzkxNGZkNjg4OGFjMDAwMDAwMDAiLCAib3V0cHV0cyI6IHsidmFsdWUiOiAxMDAwMCwgInR4X291dHB1dF9uIjogMCwgInNjcmlwdCI6ICJhOTE0OTQxOGZlZWQ0NjQ3ZTE1NmQ2NjYzZGIzZTBjZWY3YzA1MGQwMzg2Nzg3In0sICJuZXR3b3JrIjogInRlc3RuZXQiLCAidHlwZSI6ICJiaXRjb2luX2NsYWltX3Vuc2lnbmVkIn0"
>>> recipient_root_xprivate_key = "xprv9s21ZrQH143K4Kpce43z5guPyxLrFoc2i8aQAq835Zzp4Rt7i6nZaMCnVSDyHT6MnmJJGKHMrCUqaYpGojrug1ZN5qQDdShQffmkyv5xyUR"
>>> bytecode = "63aa20821124b554d13f247b1e5d10b84e44fb1296f18f38bbaa1bea34a12c843e01588876a9140e259e08f2ec9fc99a92b6f66fdfcb3c7914fd6888ac6702e803b27576a91433ecab3d67f0e2bde43e52f41ec1ecbdc73f11f888ac68"
>>> claim_solver = ClaimSolver(recipient_root_xprivate_key, "Hello Meheret!", bytecode)
>>> signature = Signature("testnet")
>>> signature.sign(unsigned_claim_transaction_raw, claim_solver)
>>> signature.hash()
"29c7ac0ec049687e1b952cefdaf2f1f52957e6f42f35826af21ec6bd3edf60ce"

json() → dict¶

Get Bitcoin signature transaction json format.

Returns: str – Bitcoin signature transaction json format.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import FundSolver
>>> unsigned_fund_transaction_raw = "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"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> fund_solver = FundSolver(sender_root_xprivate_key)
>>> signature = Signature("testnet")
>>> signature.sign(unsigned_fund_transaction_raw, fund_solver)
>>> signature.json()
{"hex": "02000000010825e00ba596ab11126cd89203b882bce60a7db019e51217056c471f510cfd85000000006b4830450221009ac6afb68728eee53050ea7a301b6fb836e13b782cd52c29be2f8b0cc71f4427022069671a0a3df14873cf9268e4054c4b177aff8da894641896669cfafa4be23c8a012102065e8cb5fa76699079860a450bddd0e37e0ad3dbf2ddfd01d7b600231e6cde8effffffff02102700000000000017a9144695127b1d17c454f4bae9c41cb8e3cdb5e89d2487ea5c0100000000001976a91433ecab3d67f0e2bde43e52f41ec1ecbdc73f11f888ac00000000", "txid": "29c7ac0ec049687e1b952cefdaf2f1f52957e6f42f35826af21ec6bd3edf60ce", "hash": "29c7ac0ec049687e1b952cefdaf2f1f52957e6f42f35826af21ec6bd3edf60ce", "size": 224, "vsize": 224, "version": 2, "locktime": 0, "vin": [{"txid": "85fd0c511f476c051712e519b07d0ae6bc82b80392d86c1211ab96a50be02508", "vout": 0, "scriptSig": {"asm": "30450221009ac6afb68728eee53050ea7a301b6fb836e13b782cd52c29be2f8b0cc71f4427022069671a0a3df14873cf9268e4054c4b177aff8da894641896669cfafa4be23c8a01 02065e8cb5fa76699079860a450bddd0e37e0ad3dbf2ddfd01d7b600231e6cde8e", "hex": "4830450221009ac6afb68728eee53050ea7a301b6fb836e13b782cd52c29be2f8b0cc71f4427022069671a0a3df14873cf9268e4054c4b177aff8da894641896669cfafa4be23c8a012102065e8cb5fa76699079860a450bddd0e37e0ad3dbf2ddfd01d7b600231e6cde8e"}, "sequence": "4294967295"}], "vout": [{"value": "0.00010000", "n": 0, "scriptPubKey": {"asm": "OP_HASH160 4695127b1d17c454f4bae9c41cb8e3cdb5e89d24 OP_EQUAL", "hex": "a9144695127b1d17c454f4bae9c41cb8e3cdb5e89d2487", "type": "p2sh", "address": "2MygRsRs6En1RCj8a88FfsK1QBeissBTswL"}}, {"value": "0.00089322", "n": 1, "scriptPubKey": {"asm": "OP_DUP OP_HASH160 33ecab3d67f0e2bde43e52f41ec1ecbdc73f11f8 OP_EQUALVERIFY OP_CHECKSIG", "hex": "76a91433ecab3d67f0e2bde43e52f41ec1ecbdc73f11f888ac", "type": "p2pkh", "address": "mkFWGt4hT11XS8dJKzzRFsTrqjjAwZfQAC"}}]}

raw() → str¶

Get Bitcoin main transaction raw.

Returns: str – Bitcoin signature transaction raw.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import RefundSolver
>>> unsigned_refund_transaction_raw = "eyJmZWUiOiA1NzYsICJyYXciOiAiMDIwMDAwMDAwMTE4MjNmMzlhOGM1ZjZmMjc4NDVkZDEzYTY1ZTAzZmUyZWY1MTA4ZDIzNWU3YTM2ZWRiNmViMjY3YjA0NTljNWEwMDAwMDAwMDAwZmZmZmZmZmYwMWQwMjQwMDAwMDAwMDAwMDAxOTc2YTkxNDMzZWNhYjNkNjdmMGUyYmRlNDNlNTJmNDFlYzFlY2JkYzczZjExZjg4OGFjMDAwMDAwMDAiLCAib3V0cHV0cyI6IHsidmFsdWUiOiAxMDAwMCwgInR4X291dHB1dF9uIjogMCwgInNjcmlwdCI6ICJhOTE0OTQxOGZlZWQ0NjQ3ZTE1NmQ2NjYzZGIzZTBjZWY3YzA1MGQwMzg2Nzg3In0sICJuZXR3b3JrIjogInRlc3RuZXQiLCAidHlwZSI6ICJiaXRjb2luX3JlZnVuZF91bnNpZ25lZCJ9"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> bytecode = "63aa20821124b554d13f247b1e5d10b84e44fb1296f18f38bbaa1bea34a12c843e01588876a9140e259e08f2ec9fc99a92b6f66fdfcb3c7914fd6888ac6702e803b27576a91433ecab3d67f0e2bde43e52f41ec1ecbdc73f11f888ac68"
>>> refund_solver = RefundSolver(sender_root_xprivate_key, bytecode, 1000)
>>> signature = Signature("testnet")
>>> signature.sign(unsigned_refund_transaction_raw, refund_solver)
>>> signature.raw()
"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"

type() → str¶

Get Bitcoin signature transaction type.

Returns: str – Bitcoin signature transaction type.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import FundSolver
>>> unsigned_fund_transaction_raw = "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"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> fund_solver = FundSolver(sender_root_xprivate_key)
>>> signature = Signature("testnet")
>>> signature.sign(unsigned_fund_transaction_raw, fund_solver)
>>> signature.type()
"bitcoin_fund_signed"

sign(transaction_raw: str, solver: Union[swap.providers.bitcoin.solver.FundSolver, swap.providers.bitcoin.solver.ClaimSolver, swap.providers.bitcoin.solver.RefundSolver]) → Union[swap.providers.bitcoin.signature.FundSignature, swap.providers.bitcoin.signature.ClaimSignature, swap.providers.bitcoin.signature.RefundSignature]¶

Sign unsigned transaction raw.

Parameters

transaction_raw (str) – Bitcoin unsigned transaction raw.
solver (bitcoin.solver.FundSolver, bitcoin.solver.ClaimSolver, bitcoin.solver.RefundSolver) – Bitcoin solver

Returns

FundSignature, ClaimSignature, RefundSignature – Bitcoin signature instance.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import FundSolver
>>> unsigned_fund_transaction_raw = "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"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> fund_solver = FundSolver(sender_root_xprivate_key)
>>> signature = Signature("testnet")
>>> signature.sign(transaction_raw=unsigned_fund_transaction_raw, solver=fund_solver)
<swap.providers.bitcoin.signature.FundSignature object at 0x0409DAF0>

transaction_raw() → str¶

Get Bitcoin transaction raw.

Returns: str – Bitcoin transaction raw.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import FundSolver
>>> unsigned_fund_transaction_raw = "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"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> fund_solver = FundSolver(sender_root_xprivate_key)
>>> signature = Signature("testnet")
>>> signature.sign(unsigned_fund_transaction_raw, fund_solver)
>>> signature.transaction_raw()
"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"

FundSignature¶

class swap.providers.bitcoin.signature.FundSignature(network: str = 'mainnet', version: int = 2)¶

Bitcoin Fund signature.

Parameters

network (str) – Bitcoin network, defaults to mainnet.
version (int) – Bitcoin transaction version, defaults to 2.

Returns

FundSignature – Bitcoin fund signature instance.

sign(transaction_raw: str, solver: swap.providers.bitcoin.solver.FundSolver) → swap.providers.bitcoin.signature.FundSignature ¶

Sign unsigned fund transaction raw.

Parameters

transaction_raw (str) – Bitcoin unsigned fund transaction raw.
solver (bitcoin.solver.FundSolver) – Bitcoin fund solver.

Returns

FundSignature – Bitcoin fund signature instance.

>>> from swap.providers.bitcoin.signature import Signature
>>> from swap.providers.bitcoin.solver import FundSolver
>>> unsigned_fund_transaction_raw = "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"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> fund_solver = FundSolver(sender_root_xprivate_key)
>>> fund_signature = FundSignature("testnet")
>>> fund_signature.sign(unsigned_fund_transaction_raw, fund_solver)
<swap.providers.bitcoin.signature.FundSignature object at 0x0409DAF0>

ClaimSignature¶

class swap.providers.bitcoin.signature.ClaimSignature(network: str = 'mainnet', version: int = 2)¶

Bitcoin Claim signature.

Parameters

network (str) – Bitcoin network, defaults to mainnet.
version (int) – Bitcoin transaction version, defaults to 2.

Returns

ClaimSignature – Bitcoin claim signature instance.

sign(transaction_raw: str, solver: swap.providers.bitcoin.solver.ClaimSolver) → swap.providers.bitcoin.signature.ClaimSignature ¶

Sign unsigned claim transaction raw.

Parameters

transaction_raw (str) – Bitcoin unsigned claim transaction raw.
solver (bitcoin.solver.ClaimSolver) – Bitcoin claim solver.

Returns

ClaimSignature – Bitcoin claim signature instance.

>>> from swap.providers.bitcoin.signature import ClaimSignature
>>> from swap.providers.bitcoin.solver import ClaimSolver
>>> unsigned_claim_transaction_raw = "eyJmZWUiOiA1NzYsICJyYXciOiAiMDIwMDAwMDAwMTE4MjNmMzlhOGM1ZjZmMjc4NDVkZDEzYTY1ZTAzZmUyZWY1MTA4ZDIzNWU3YTM2ZWRiNmViMjY3YjA0NTljNWEwMDAwMDAwMDAwZmZmZmZmZmYwMWQwMjQwMDAwMDAwMDAwMDAxOTc2YTkxNDBlMjU5ZTA4ZjJlYzlmYzk5YTkyYjZmNjZmZGZjYjNjNzkxNGZkNjg4OGFjMDAwMDAwMDAiLCAib3V0cHV0cyI6IHsidmFsdWUiOiAxMDAwMCwgInR4X291dHB1dF9uIjogMCwgInNjcmlwdCI6ICJhOTE0OTQxOGZlZWQ0NjQ3ZTE1NmQ2NjYzZGIzZTBjZWY3YzA1MGQwMzg2Nzg3In0sICJuZXR3b3JrIjogInRlc3RuZXQiLCAidHlwZSI6ICJiaXRjb2luX2NsYWltX3Vuc2lnbmVkIn0"
>>> recipient_root_xprivate_key = "xprv9s21ZrQH143K4Kpce43z5guPyxLrFoc2i8aQAq835Zzp4Rt7i6nZaMCnVSDyHT6MnmJJGKHMrCUqaYpGojrug1ZN5qQDdShQffmkyv5xyUR"
>>> bytecode = "63aa20821124b554d13f247b1e5d10b84e44fb1296f18f38bbaa1bea34a12c843e01588876a9140e259e08f2ec9fc99a92b6f66fdfcb3c7914fd6888ac6702e803b27576a91433ecab3d67f0e2bde43e52f41ec1ecbdc73f11f888ac68"
>>> claim_solver = ClaimSolver(recipient_root_xprivate_key, "Hello Meheret!", bytecode)
>>> claim_signature = ClaimSignature("testnet")
>>> claim_signature.sign(transaction_raw=unsigned_claim_transaction_raw, solver=claim_solver)
<swap.providers.bitcoin.signature.ClaimSignature object at 0x0409DAF0>

RefundSignature¶

class swap.providers.bitcoin.signature.RefundSignature(network: str = 'mainnet', version: int = 2)¶

Bitcoin Refund signature.

Parameters

network (str) – Bitcoin network, defaults to mainnet.
version (int) – Bitcoin transaction version, defaults to 2.

Returns

RefundSignature – Bitcoin refund signature instance.

sign(transaction_raw: str, solver: swap.providers.bitcoin.solver.RefundSolver) → swap.providers.bitcoin.signature.RefundSignature ¶

Sign unsigned refund transaction raw.

Parameters

transaction_raw (str) – Bitcoin unsigned refund transaction raw.
solver (bitcoin.solver.RefundSolver) – Bitcoin refund solver.

Returns

RefundSignature – Bitcoin refund signature instance.

>>> from swap.providers.bitcoin.signature import RefundSignature
>>> from swap.providers.bitcoin.solver import RefundSolver
>>> unsigned_refund_transaction_raw = "eyJmZWUiOiA1NzYsICJyYXciOiAiMDIwMDAwMDAwMTE4MjNmMzlhOGM1ZjZmMjc4NDVkZDEzYTY1ZTAzZmUyZWY1MTA4ZDIzNWU3YTM2ZWRiNmViMjY3YjA0NTljNWEwMDAwMDAwMDAwZmZmZmZmZmYwMWQwMjQwMDAwMDAwMDAwMDAxOTc2YTkxNDMzZWNhYjNkNjdmMGUyYmRlNDNlNTJmNDFlYzFlY2JkYzczZjExZjg4OGFjMDAwMDAwMDAiLCAib3V0cHV0cyI6IHsidmFsdWUiOiAxMDAwMCwgInR4X291dHB1dF9uIjogMCwgInNjcmlwdCI6ICJhOTE0OTQxOGZlZWQ0NjQ3ZTE1NmQ2NjYzZGIzZTBjZWY3YzA1MGQwMzg2Nzg3In0sICJuZXR3b3JrIjogInRlc3RuZXQiLCAidHlwZSI6ICJiaXRjb2luX3JlZnVuZF91bnNpZ25lZCJ9"
>>> sender_root_xprivate_key = "xprv9s21ZrQH143K3XihXQBN8Uar2WBtrjSzK2oRDEGQ25pA2kKAADoQXaiiVXht163ZTrdtTXfM4GqNRE9gWQHky25BpvBQuuhNCM3SKwWTPNJ"
>>> bytecode = "63aa20821124b554d13f247b1e5d10b84e44fb1296f18f38bbaa1bea34a12c843e01588876a9140e259e08f2ec9fc99a92b6f66fdfcb3c7914fd6888ac6702e803b27576a91433ecab3d67f0e2bde43e52f41ec1ecbdc73f11f888ac68"
>>> refund_solver = RefundSolver(sender_root_xprivate_key, bytecode, 1000)
>>> refund_signature = RefundSignature("testnet")
>>> refund_signature.sign(transaction_raw=unsigned_refund_transaction_raw, solver=refund_solver)
<swap.providers.bitcoin.signature.RefundSignature object at 0x0409DAF0>