45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
from decimal import Decimal
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from binascii import hexlify
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from datetime import datetime
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from json import JSONEncoder
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from wallet.transaction import Transaction, Output
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class JSONResponseEncoder(JSONEncoder):
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def __init__(self, *args, ledger, **kwargs):
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super().__init__(*args, **kwargs)
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self.ledger = ledger
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def default(self, obj):
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if isinstance(obj, Transaction):
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return self.encode_transaction(obj)
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if isinstance(obj, Output):
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return self.encode_output(obj)
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if isinstance(obj, datetime):
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return obj.strftime("%Y%m%dT%H:%M:%S")
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if isinstance(obj, Decimal):
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return float(obj)
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return super().default(obj)
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def encode_transaction(self, tx):
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return {
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'txid': tx.id,
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'inputs': [self.encode_input(txo) for txo in tx.inputs],
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'outputs': [self.encode_output(txo) for txo in tx.outputs],
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'total_input': tx.input_sum,
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'total_output': tx.input_sum - tx.fee,
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'total_fee': tx.fee,
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'hex': hexlify(tx.raw).decode(),
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}
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def encode_output(self, txo):
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return {
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'nout': txo.position,
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'amount': txo.amount,
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'address': txo.get_address(self.ledger)
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}
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def encode_input(self, txi):
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return self.encode_output(txi.txo_ref.txo)
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