core-lightning/hsmd/hsm_client_wire_csv

# Clients should not give a bad request but not the HSM's decision to crash.
hsmstatus_client_bad_request,1000
hsmstatus_client_bad_request,,id,struct pubkey
hsmstatus_client_bad_request,,len,u16
hsmstatus_client_bad_request,,msg,len*u8

# Start the HSM.
hsm_init,11
hsm_init,,new,bool

#include <common/bip32.h>
hsm_init_reply,111
hsm_init_reply,,node_id,struct pubkey
hsm_init_reply,,peer_seed,struct secret
hsm_init_reply,,bip32,struct ext_key

# Get a new HSM FD, with the specified capabilities
hsm_client_hsmfd,9
hsm_client_hsmfd,,pubkey,struct pubkey # Which identity to report for requests
hsm_client_hsmfd,,capabilities,u64

# No content, just an fd.
hsm_client_hsmfd_reply,109

# Return signature for a funding tx.
#include <common/utxo.h>
# FIXME: This should also take their commit sig & details, to verify.
hsm_sign_funding,4
hsm_sign_funding,,satoshi_out,u64
hsm_sign_funding,,change_out,u64
hsm_sign_funding,,change_keyindex,u32
hsm_sign_funding,,our_pubkey,struct pubkey
hsm_sign_funding,,their_pubkey,struct pubkey
hsm_sign_funding,,num_inputs,u16
hsm_sign_funding,,inputs,num_inputs*struct utxo

hsm_sign_funding_reply,104
hsm_sign_funding_reply,,tx,struct bitcoin_tx

# Master asks the HSM to sign a node_announcement
hsm_node_announcement_sig_req,6
hsm_node_announcement_sig_req,,annlen,u16
hsm_node_announcement_sig_req,,announcement,annlen*u8

hsm_node_announcement_sig_reply,106
hsm_node_announcement_sig_reply,,signature,secp256k1_ecdsa_signature

# Sign a withdrawal request
hsm_sign_withdrawal,7
hsm_sign_withdrawal,,satoshi_out,u64
hsm_sign_withdrawal,,change_out,u64
hsm_sign_withdrawal,,change_keyindex,u32
hsm_sign_withdrawal,,scriptpubkey_len,u16
hsm_sign_withdrawal,,scriptpubkey,scriptpubkey_len*u8
hsm_sign_withdrawal,,num_inputs,u16
hsm_sign_withdrawal,,inputs,num_inputs*struct utxo

hsm_sign_withdrawal_reply,107
hsm_sign_withdrawal_reply,,tx,struct bitcoin_tx

# Sign an invoice
hsm_sign_invoice,8
hsm_sign_invoice,,len,u16
hsm_sign_invoice,,u5bytes,len*u8
hsm_sign_invoice,,hrplen,u16
hsm_sign_invoice,,hrp,hrplen*u8

hsm_sign_invoice_reply,108
hsm_sign_invoice_reply,,sig,secp256k1_ecdsa_recoverable_signature

# Give me ECDH(node-id-secret,point)
hsm_ecdh_req,1
hsm_ecdh_req,,point,struct pubkey
hsm_ecdh_resp,100
hsm_ecdh_resp,,ss,struct secret

hsm_cannouncement_sig_req,2
hsm_cannouncement_sig_req,,bitcoin_id,struct pubkey
hsm_cannouncement_sig_req,,calen,u16
hsm_cannouncement_sig_req,,ca,calen*u8

hsm_cannouncement_sig_reply,102
hsm_cannouncement_sig_reply,,node_signature,secp256k1_ecdsa_signature

hsm_cupdate_sig_req,3
hsm_cupdate_sig_req,,culen,u16
hsm_cupdate_sig_req,,cu,culen*u8

hsm_cupdate_sig_reply,103
hsm_cupdate_sig_reply,,culen,u16
hsm_cupdate_sig_reply,,cu,culen*u8