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144 lines
3.8 KiB
144 lines
3.8 KiB
#include "db.h"
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#include "feechange.h"
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#include "log.h"
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#include "peer.h"
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#include <ccan/array_size/array_size.h>
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#include <inttypes.h>
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#include "gen_feechange_state_names.h"
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/* This is the HTLC-like flags for each state. */
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static const int per_state_bits[] = {
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[SENT_FEECHANGE] = HTLC_ADDING + HTLC_LOCAL_F_OWNER
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+ HTLC_REMOTE_F_PENDING,
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[SENT_FEECHANGE_COMMIT] = HTLC_ADDING + HTLC_LOCAL_F_OWNER
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+ HTLC_REMOTE_F_COMMITTED
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+ HTLC_REMOTE_F_WAS_COMMITTED,
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[RCVD_FEECHANGE_REVOCATION] = HTLC_ADDING + HTLC_LOCAL_F_OWNER
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+ HTLC_REMOTE_F_COMMITTED
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+ HTLC_REMOTE_F_REVOKED
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+ HTLC_LOCAL_F_PENDING
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+ HTLC_REMOTE_F_WAS_COMMITTED,
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[RCVD_FEECHANGE_ACK_COMMIT] = HTLC_ADDING + HTLC_LOCAL_F_OWNER
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+ HTLC_REMOTE_F_COMMITTED
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+ HTLC_REMOTE_F_REVOKED
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+ HTLC_LOCAL_F_COMMITTED
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+ HTLC_LOCAL_F_WAS_COMMITTED
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+ HTLC_REMOTE_F_WAS_COMMITTED,
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[SENT_FEECHANGE_ACK_REVOCATION] = HTLC_LOCAL_F_OWNER
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+ HTLC_REMOTE_F_COMMITTED
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+ HTLC_REMOTE_F_REVOKED
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+ HTLC_LOCAL_F_COMMITTED
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+ HTLC_LOCAL_F_REVOKED
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+ HTLC_LOCAL_F_WAS_COMMITTED
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+ HTLC_REMOTE_F_WAS_COMMITTED,
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[RCVD_FEECHANGE] = HTLC_ADDING + HTLC_REMOTE_F_OWNER
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+ HTLC_LOCAL_F_PENDING,
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[RCVD_FEECHANGE_COMMIT] = HTLC_ADDING + HTLC_REMOTE_F_OWNER
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+ HTLC_LOCAL_F_COMMITTED
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+ HTLC_LOCAL_F_WAS_COMMITTED,
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[SENT_FEECHANGE_REVOCATION] = HTLC_ADDING + HTLC_REMOTE_F_OWNER
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+ HTLC_LOCAL_F_COMMITTED
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+ HTLC_LOCAL_F_REVOKED
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+ HTLC_REMOTE_F_PENDING
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+ HTLC_LOCAL_F_WAS_COMMITTED,
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[SENT_FEECHANGE_ACK_COMMIT] = HTLC_ADDING + HTLC_REMOTE_F_OWNER
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+ HTLC_LOCAL_F_COMMITTED
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+ HTLC_LOCAL_F_REVOKED
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+ HTLC_REMOTE_F_COMMITTED
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+ HTLC_LOCAL_F_WAS_COMMITTED
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+ HTLC_REMOTE_F_WAS_COMMITTED,
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[RCVD_FEECHANGE_ACK_REVOCATION] = HTLC_REMOTE_F_OWNER
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+ HTLC_LOCAL_F_COMMITTED
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+ HTLC_LOCAL_F_REVOKED
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+ HTLC_REMOTE_F_COMMITTED
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+ HTLC_REMOTE_F_REVOKED
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+ HTLC_LOCAL_F_WAS_COMMITTED
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+ HTLC_REMOTE_F_WAS_COMMITTED,
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};
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int feechange_state_flags(enum feechange_state state)
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{
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assert(state < ARRAY_SIZE(per_state_bits));
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assert(per_state_bits[state]);
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return per_state_bits[state];
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}
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const char *feechange_state_name(enum feechange_state s)
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{
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size_t i;
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for (i = 0; enum_feechange_state_names[i].name; i++)
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if (enum_feechange_state_names[i].v == s)
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return enum_feechange_state_names[i].name;
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return "unknown";
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}
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enum feechange_state feechange_state_from_name(const char *name)
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{
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size_t i;
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for (i = 0; enum_feechange_state_names[i].name; i++)
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if (streq(enum_feechange_state_names[i].name, name))
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return enum_feechange_state_names[i].v;
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return FEECHANGE_STATE_INVALID;
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}
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struct feechange *new_feechange(struct peer *peer,
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u64 fee_rate,
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enum feechange_state state)
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{
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struct feechange *f = tal(peer, struct feechange);
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f->state = state;
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f->fee_rate = fee_rate;
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return f;
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}
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void feechange_changestate(struct peer *peer,
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struct feechange *f,
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enum feechange_state oldstate,
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enum feechange_state newstate,
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bool db_commit)
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{
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log_debug(peer->log, "feechange: %s->%s",
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feechange_state_name(f->state),
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feechange_state_name(newstate));
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assert(f->state == oldstate);
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assert(peer->feechanges[f->state] == f);
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/* You can only go to consecutive states. */
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assert(newstate == f->state + 1);
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/* You can't change sides. */
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assert(feechange_side(f->state) == feechange_side(newstate));
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f->state = newstate;
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/* We can have multiple dead feestates, but only one in any other */
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if (!feechange_is_dead(f))
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assert(!peer->feechanges[f->state]);
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peer->feechanges[oldstate] = NULL;
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peer->feechanges[newstate] = f;
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if (db_commit) {
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if (newstate == RCVD_FEECHANGE_COMMIT
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|| newstate == SENT_FEECHANGE_COMMIT)
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db_new_feechange(peer, f);
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else if (newstate == RCVD_FEECHANGE_ACK_REVOCATION
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|| newstate == SENT_FEECHANGE_ACK_REVOCATION)
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db_remove_feechange(peer, f, oldstate);
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else
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db_update_feechange_state(peer, f, oldstate);
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}
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}
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