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state: add async anchor creation.

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Actually generating the anchor transaction in my implementation
requires interaction with bitcoind, which we want to be async.  So add
a callback and a new state to wait for it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-01-22 06:41:47 +10:30
parent 0db3c03ed1
commit ebf2bc57d8
4 changed files with 69 additions and 10 deletions
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12
state.h
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@@ -318,9 +318,15 @@ void peer_unwatch_htlc_spend(struct peer *peer,
const struct htlc *htlc,
enum state_input all_done);
/* Create a bitcoin anchor tx. */
struct bitcoin_tx *bitcoin_anchor(const tal_t *ctx,
const struct peer *peer);
/* Start creation of the bitcoin anchor tx. */
void bitcoin_create_anchor(struct peer *peer, enum state_input done);
/* We didn't end up broadcasting the anchor: release the utxos.
* If done != INPUT_NONE, remove existing create_anchor too. */
void bitcoin_release_anchor(struct peer *peer, enum state_input done);
/* Get the bitcoin anchor tx. */
struct bitcoin_tx *bitcoin_anchor(const tal_t *ctx, struct peer *peer);
/* Create a bitcoin close tx. */
struct bitcoin_tx *bitcoin_close(const tal_t *ctx,