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Parameters

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chainId
string
default:"bitcoin-testnet"
required
Unique identifier for a blockchain network.
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id
number
default:1
required
Request identifier used to match responses.
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jsonrpc
string
default:"2.0"
required
JSON-RPC version.
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method
string
default:"signrawtransactionwithkey"
required
JSON-RPC method name.
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params
object
required
Parameters: [rawTx, privKeys, prevTxs?, sighashType?].Positional parameters for signrawtransactionwithkey:
  • params[0]: Raw transaction hex.
  • params[1]: Private keys in WIF format.
  • params[2]: Optional previous transaction outputs used for signing.
  • params[3]: Optional signature hash type (e.g., ALL).

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Returns

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result
object
Signed transaction result containing hex and completion flag.