Update emergency.recover after every 'commitment_revocation' so that user can sweep funds by penalty transaction. #7772
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rustyrussell
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Nov 17, 2024
wallet/wallet.c
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| for (u32 pos = 0; pos < chain->chain.num_valid; pos++) { | ||
| struct secret s; | ||
| memcpy(&s, &chain->chain.known[pos].hash, sizeof(s)); |
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We have a new macro for, this: CROSS_TYPE_ASSIGNMENT(&s, &chain->chain.known[pos].hash). It checks the two types are same size...
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Fixed it. Thanks!!
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Rebased on master with simple API fixes. |
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This doesn't work for old scb files (as you can tell, from the test!) It should... |
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niftynei
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This change will allow subtypes in wiregen files to have tlvstreams. Shifting tlv structs above subtypes in header_template is done to prevent forward declaration. Since generate-wire prepends 'tlv_' in tlvname, we have to modify fromwire_subtype_field and towire_subtype_field in impl_template to accommodate this.
…rgencyrecover to create penalty txn when peer publishes an old revoked state.
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…chan() - Added field to store commitment secret chain in - Added field to hold counterparty's basepoint information - Added field to indicate the channel initiator's side (local or remote) These fields enhance 'stub_chan' to make channels which are capable to create penalty transaction in case the peer broadcasts an old revoked state.
…directly to the database
- Adds 'wallet_stub_shachain_init' function to store a retrieved shachain in the database.
- Saves initial metadata ('min_index' and 'num_valid') to the 'shachains' table.
- Iterates through known shachain secrets, adding each entry to 'shachain_known' with position, index, and hash.
This function enables direct persistence of shachain data, ensuring all relevant information is saved upon retrieval.
…mergency.recover using staticbackup RPC
…pdate emergency.recover everytime we get a revocation secret.
Add test to check if we can successfully create a penalty transaction when we recover a channel using emergencyrecover and the peer publishes an old state. Changelog-Added: Now the emergency.recover file would keep track of all the revocation secrets when any channel advances it's state.
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This PR would enable nodes to create penalty transaction when the peer publishes an old revoked state using the emergency.recover.
Addresses: #7696