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submitblock reject blocks due to missing witness in coinbase. #83

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opened 2022-08-12 19:31:56 +02:00 by roylee17 · 0 comments
roylee17 commented 2022-08-12 19:31:56 +02:00 (Migrated from github.com)
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This only happens if the blocks contain any segwit transactions.

2022-08-06 17:47:34.657 [INF] RPCS: Rejected block efdddd30ac5679011ce90efe74a382f1865ef2211a941ba08de8c2a922545126 via submitblock: the coinbase transaction has 0 items in its witness stack when only one is allowed. Height: 1204880
2022-08-06 17:48:00.351 [INF] RPCS: Rejected block eae65b6c2e2ff032452b3d4d05713b774d47096599fada63f5a7d5b69a6aaf46 via submitblock: the coinbase transaction has 0 items in its witness stack when only one is allowed. Height: 1204880

lbcd checks the presence of witness_commitment in the coinbase.TxOut, and asserts the dummy witness (32 bytes of 0s) must also presented in the coinbase.TxIn[0].

This only happens if the blocks contain any segwit transactions. ``` 2022-08-06 17:47:34.657 [INF] RPCS: Rejected block efdddd30ac5679011ce90efe74a382f1865ef2211a941ba08de8c2a922545126 via submitblock: the coinbase transaction has 0 items in its witness stack when only one is allowed. Height: 1204880 2022-08-06 17:48:00.351 [INF] RPCS: Rejected block eae65b6c2e2ff032452b3d4d05713b774d47096599fada63f5a7d5b69a6aaf46 via submitblock: the coinbase transaction has 0 items in its witness stack when only one is allowed. Height: 1204880 ``` **lbcd** checks the presence of witness_commitment in the `coinbase.TxOut`, and asserts the dummy witness (32 bytes of 0s) must also presented in the coinbase.TxIn[0].
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Reference: LBRYCommunity/lbcd#83
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