Galder Zamarreño 24ed1dc2ec Add support for opt_shutdown_anysegwit feature #780 ... * Implemented protocol. * Made feature optional. * Verify that the default value is true. * Verify that on shutdown, if Channel.supports_shutdown_anysegwit is enabled, the script can be a witness program. * Added a test that verifies that a scriptpubkey for an unreleased segwit version is handled successfully. * Added a test that verifies that if node has op_shutdown_anysegwit disabled, a scriptpubkey with an unreleased segwit version on shutdown throws an error. * Added peer InitFeatures to handle_shutdown * Check if shutdown script is valid when given upfront. * Added a test to verify that an invalid test results in error. * Added a test to check that if a segwit script with version 0 is provided, the updated anysegwit check detects it and returns unsupported. * An empty script is only allowed when sent as upfront shutdown script, so make sure that check is only done for accept/open_channel situations. * Instead of reimplementing a variant of is_witness_script, just call it and verify that the witness version is not 0.		2021-02-25 14:28:08 +01:00
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src	Add support for opt_shutdown_anysegwit feature #780	2021-02-25 14:28:08 +01:00
Cargo.toml	Update tokio to 1.0	2021-01-26 18:37:04 -05:00