lighthouse/beacon_node/beacon_chain/test_harness/tests/chain.rs

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use test_harness::BeaconChainHarness;
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use types::ChainSpec;
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#[test]
fn it_can_build_on_genesis_block() {
let validator_count = 2;
let mut rig = BeaconChainHarness::new(ChainSpec::foundation(), validator_count);
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rig.advance_chain_with_block();
}
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#[test]
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#[ignore]
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fn it_can_produce_past_first_epoch_boundary() {
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let validator_count = 2;
let mut rig = BeaconChainHarness::new(ChainSpec::foundation(), validator_count);
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let blocks = rig.spec.epoch_length + 1;
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for _ in 0..blocks {
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rig.advance_chain_with_block();
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}
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let dump = rig.chain_dump().expect("Chain dump failed.");
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assert_eq!(dump.len() as u64, blocks + 1); // + 1 for genesis block.
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rig.dump_to_file("/tmp/chaindump.json".to_string(), &dump);
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}