updatepsbtpegin (22.0.0 RPC) updatepsbtpegin "psbt" input ( value "bitcoin_tx" "txout_proof" "claim_script" "genesis_hash" ) Fill in Peg-in input data for a particular input in a PSBT. Data is filled if provided. Arguments: 1. psbt (string, required) The elements PSBT to update 2. input (numeric, required) The index of the input to update 3. value (numeric or string) The value of the peg-in 4. bitcoin_tx (string) The raw bitcoin transaction (in hex) depositing bitcoin to the mainchain_address generated by getpeginaddress 5. txout_proof (string) A rawtxoutproof (in hex) generated by the mainchain daemon'sgettxoutproof containing a proof of only bitcoin_tx 6. claim_script (string) The witness program generated by getpeginaddress. 7. genesis_hash (string) The hash of the genesis block of the chain the bitcoin_tx is in Result: "str" (string) The resulting raw transaction (base64-encoded string) Examples: > elements-cli updatepsbtpegin psbt 0