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Merge rust-bitcoin/rust-bitcoin#2396: Add consts to Params for individual networks 

3a56ecc677 Add consts to Params for individual networks (Tobin C. Harding)

Pull request description:

  Add consts to the `Params` type for the individual networks.

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This commit is contained in:
Andrew Poelstra 2024-03-09 13:04:06 +00:00
parent e58975adbc 3a56ecc677
commit f69417f8bc
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1 changed files with 73 additions and 57 deletions
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130
bitcoin/src/consensus/params.rs
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@ -49,65 +49,80 @@ pub struct Params {
}
impl Params {
/// Creates parameters set for the given network.
/// The mainnet parameters (alias for `Params::MAINNET`).
pub const BITCOIN: Params = Params::MAINNET;
/// The mainnet parameters.
pub const MAINNET: Params = Params {
network: Network::Bitcoin,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 227931, // 000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8
bip65_height: 388381, // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
bip66_height: 363725, // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
rule_change_activation_threshold: 1916, // 95%
miner_confirmation_window: 2016,
pow_limit: Target::MAX_ATTAINABLE_MAINNET,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: false,
no_pow_retargeting: false,
};
/// The testnet parameters.
pub const TESTNET: Params = Params {
network: Network::Testnet,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 21111, // 0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8
bip65_height: 581885, // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
bip66_height: 330776, // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
rule_change_activation_threshold: 1512, // 75%
miner_confirmation_window: 2016,
pow_limit: Target::MAX_ATTAINABLE_TESTNET,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: true,
no_pow_retargeting: false,
};
/// The signet parameters.
pub const SIGNET: Params = Params {
network: Network::Signet,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 1,
bip65_height: 1,
bip66_height: 1,
rule_change_activation_threshold: 1916, // 95%
miner_confirmation_window: 2016,
pow_limit: Target::MAX_ATTAINABLE_SIGNET,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: false,
no_pow_retargeting: false,
};
/// The regtest parameters.
pub const REGTEST: Params = Params {
network: Network::Regtest,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 100000000, // not activated on regtest
bip65_height: 1351,
bip66_height: 1251, // used only in rpc tests
rule_change_activation_threshold: 108, // 75%
miner_confirmation_window: 144,
pow_limit: Target::MAX_ATTAINABLE_REGTEST,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: true,
no_pow_retargeting: true,
};
/// Creates parameters set for the given network. /// Creates parameters set for the given network.
pub const fn new(network: Network) -> Self {
match network {
Network::Bitcoin => Params {
network: Network::Bitcoin,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 227931, // 000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8
bip65_height: 388381, // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
bip66_height: 363725, // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
rule_change_activation_threshold: 1916, // 95%
miner_confirmation_window: 2016,
pow_limit: Target::MAX_ATTAINABLE_MAINNET,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: false,
no_pow_retargeting: false,
},
Network::Testnet => Params {
network: Network::Testnet,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 21111, // 0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8
bip65_height: 581885, // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
bip66_height: 330776, // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
rule_change_activation_threshold: 1512, // 75%
miner_confirmation_window: 2016,
pow_limit: Target::MAX_ATTAINABLE_TESTNET,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: true,
no_pow_retargeting: false,
},
Network::Signet => Params {
network: Network::Signet,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 1,
bip65_height: 1,
bip66_height: 1,
rule_change_activation_threshold: 1916, // 95%
miner_confirmation_window: 2016,
pow_limit: Target::MAX_ATTAINABLE_SIGNET,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: false,
no_pow_retargeting: false,
},
Network::Regtest => Params {
network: Network::Regtest,
bip16_time: 1333238400, // Apr 1 2012
bip34_height: 100000000, // not activated on regtest
bip65_height: 1351,
bip66_height: 1251, // used only in rpc tests
rule_change_activation_threshold: 108, // 75%
miner_confirmation_window: 144,
pow_limit: Target::MAX_ATTAINABLE_REGTEST,
pow_target_spacing: 10 * 60, // 10 minutes.
pow_target_timespan: 14 * 24 * 60 * 60, // 2 weeks.
allow_min_difficulty_blocks: true,
no_pow_retargeting: true,
},
Network::Bitcoin => Params::MAINNET,
Network::Testnet => Params::TESTNET,
Network::Signet => Params::SIGNET,
Network::Regtest => Params::REGTEST,
}
}
@ -121,6 +136,7 @@ impl From<Network> for Params {
fn from(value: Network) -> Self { Self::new(value) }
}
impl From<&Network> for Params {
fn from(value: &Network) -> Self { Self::new(*value) }
}