Channel establishment v2 (dual funding) - #239

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erickcestari wants to merge 20 commits into

lnfuzz:masterfrom

erickcestari:channel-establishment-v2

Commits on Sep 9, 2026

bolt: add tx_add_output codec
erickcestari
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a9882e6
bolt: add tx_signatures codec
erickcestari
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01f0a05
bolt: derive v2 channel ids from revocation basepoints
erickcestari
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81a5826
bitcoin: add raw transaction and sign-only RPCs
erickcestari
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b123898
channel_tx: add interactive transaction construction
erickcestari
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cb65e9d
smite-scenarios: negotiate option_dual_fund
erickcestari
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61207a3
smite-ir: add open_channel2 operations
erickcestari
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98caa8b
channel_tx: compute the initiator's collaborative transaction fee
erickcestari
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efde91d
smite-ir: add interactive transaction construction operations
erickcestari
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9985c06
smite-ir: add v2 commitment and tx_signatures operations
erickcestari
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082d4b0
smite-ir: add the dual funding flow generator
erickcestari
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e8141cd
smite-ir-mutator: select the generator set per campaign
erickcestari
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9567feb
smite-scenarios: stop receiving once the tx exchange concludes
erickcestari
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8c3eccf
smite-scenarios: give the wallet more than one spendable UTXO
erickcestari
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b1eb5a7
smite-scenarios: count the interactive tx replies the peer owes
erickcestari
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727f414
smite: stop panicking on funding transactions the fuzzer negotiated
erickcestari
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829a24b