forked from LBRYCommunity/lbry-sdk
81 lines
2.6 KiB
Python
81 lines
2.6 KiB
Python
from torba.basescript import BaseInputScript, BaseOutputScript, Template
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from torba.basescript import PUSH_SINGLE, OP_DROP, OP_2DROP
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class InputScript(BaseInputScript):
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pass
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class OutputScript(BaseOutputScript):
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# lbry custom opcodes
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OP_CLAIM_NAME = 0xb5
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OP_SUPPORT_CLAIM = 0xb6
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OP_UPDATE_CLAIM = 0xb7
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CLAIM_NAME_OPCODES = (
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OP_CLAIM_NAME, PUSH_SINGLE('claim_name'), PUSH_SINGLE('claim'),
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OP_2DROP, OP_DROP
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)
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CLAIM_NAME_PUBKEY = Template('claim_name+pay_pubkey_hash', (
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CLAIM_NAME_OPCODES + BaseOutputScript.PAY_PUBKEY_HASH.opcodes
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))
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CLAIM_NAME_SCRIPT = Template('claim_name+pay_script_hash', (
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CLAIM_NAME_OPCODES + BaseOutputScript.PAY_SCRIPT_HASH.opcodes
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))
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SUPPORT_CLAIM_OPCODES = (
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OP_SUPPORT_CLAIM, PUSH_SINGLE('claim_name'), PUSH_SINGLE('claim_id'),
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OP_2DROP, OP_DROP
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)
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SUPPORT_CLAIM_PUBKEY = Template('support_claim+pay_pubkey_hash', (
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SUPPORT_CLAIM_OPCODES + BaseOutputScript.PAY_PUBKEY_HASH.opcodes
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))
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SUPPORT_CLAIM_SCRIPT = Template('support_claim+pay_script_hash', (
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SUPPORT_CLAIM_OPCODES + BaseOutputScript.PAY_SCRIPT_HASH.opcodes
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))
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UPDATE_CLAIM_OPCODES = (
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OP_UPDATE_CLAIM, PUSH_SINGLE('claim_name'), PUSH_SINGLE('claim_id'), PUSH_SINGLE('claim'),
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OP_2DROP, OP_2DROP
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)
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UPDATE_CLAIM_PUBKEY = Template('update_claim+pay_pubkey_hash', (
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UPDATE_CLAIM_OPCODES + BaseOutputScript.PAY_PUBKEY_HASH.opcodes
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))
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UPDATE_CLAIM_SCRIPT = Template('update_claim+pay_script_hash', (
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UPDATE_CLAIM_OPCODES + BaseOutputScript.PAY_SCRIPT_HASH.opcodes
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))
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templates = BaseOutputScript.templates + [
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CLAIM_NAME_PUBKEY,
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CLAIM_NAME_SCRIPT,
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SUPPORT_CLAIM_PUBKEY,
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SUPPORT_CLAIM_SCRIPT,
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UPDATE_CLAIM_PUBKEY,
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UPDATE_CLAIM_SCRIPT
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]
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@classmethod
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def pay_claim_name_pubkey_hash(cls, claim_name, claim, pubkey_hash):
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return cls(template=cls.CLAIM_NAME_PUBKEY, values={
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'claim_name': claim_name,
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'claim': claim,
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'pubkey_hash': pubkey_hash
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})
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@property
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def is_claim_name(self):
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return self.template.name.startswith('claim_name+')
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@property
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def is_support_claim(self):
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return self.template.name.startswith('support_claim+')
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@property
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def is_update_claim(self):
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return self.template.name.startswith('update_claim+')
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@property
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def is_claim_involved(self):
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return self.is_claim_name or self.is_support_claim or self.is_update_claim
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