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80 lines
2.6 KiB
80 lines
2.6 KiB
#include <assert.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <string.h>
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#include <tests/fuzz/libfuzz.h>
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#include <bitcoin/pubkey.h>
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#include <bitcoin/chainparams.h>
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#include <bitcoin/script.h>
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#include <bitcoin/tx.h>
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#include <ccan/tal/tal.h>
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#include <common/amount.h>
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#include <common/fee_states.h>
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#include <common/initial_channel.h>
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#include <common/setup.h>
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#include <common/status.h>
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#include <common/utils.h>
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#include <stdio.h>
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#include <wire/wire.h>
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void init(int *argc, char ***argv)
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{
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common_setup("fuzzer");
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int devnull = open("/dev/null", O_WRONLY);
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status_setup_sync(devnull);
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chainparams = chainparams_for_network("bitcoin");
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}
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void run(const uint8_t *data, size_t size)
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{
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struct channel_id cid;
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struct bitcoin_txid funding_txid;
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u32 funding_txout, minimum_depth;
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struct amount_sat funding, max;
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struct amount_msat local_msatoshi;
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u32 feerate_per_kw;
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struct channel_config local, remote;
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struct basepoints local_basepoints, remote_basepoints;
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struct pubkey local_funding_pubkey, remote_funding_pubkey;
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bool option_static_remotekey, option_anchor_outputs;
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struct channel *channel;
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fromwire_channel_id(&data, &size, &cid);
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fromwire_bitcoin_txid(&data, &size, &funding_txid);
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funding_txout = fromwire_u32(&data, &size);
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minimum_depth = fromwire_u32(&data, &size);
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funding = fromwire_amount_sat(&data, &size);
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local_msatoshi = fromwire_amount_msat(&data, &size);
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max = AMOUNT_SAT((u32)WALLY_SATOSHI_PER_BTC * WALLY_BTC_MAX);
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if (amount_sat_greater(funding, max))
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funding = max;
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feerate_per_kw = fromwire_u32(&data, &size);
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fromwire_channel_config(&data, &size, &local);
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fromwire_channel_config(&data, &size, &remote);
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fromwire_basepoints(&data, &size, &local_basepoints);
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fromwire_basepoints(&data, &size, &remote_basepoints);
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fromwire_pubkey(&data, &size, &local_funding_pubkey);
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fromwire_pubkey(&data, &size, &remote_funding_pubkey);
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option_anchor_outputs = fromwire_bool(&data, &size);
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option_static_remotekey = option_anchor_outputs || fromwire_bool(&data, &size);
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/* TODO: determine if it makes sense to check at each step for libfuzzer
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* to deduce pertinent inputs */
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if (!data || !size)
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return;
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for (enum side opener = 0; opener < NUM_SIDES; opener++) {
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channel = new_initial_channel(tmpctx, &cid, &funding_txid, funding_txout,
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minimum_depth, funding, local_msatoshi,
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take(new_fee_states(NULL, opener, &feerate_per_kw)),
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&local, &remote, &local_basepoints,
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&remote_basepoints, &local_funding_pubkey,
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&remote_funding_pubkey, option_static_remotekey,
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option_anchor_outputs, opener);
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/* TODO: make initial_channel_tx() work with ASAN.. */
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}
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clean_tmpctx();
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}
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