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Merge pull request #368 from mauzmorose/bip157-service-flag 

bip157: Add NODE_COMPACT_FILTERS Service Flag
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Andrew Poelstra 2019-12-22 16:48:16 +00:00 committed by GitHub
parent 4c3ad9d233 8617de51c8
commit efd2168364
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1 changed files with 11 additions and 1 deletions
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12
src/network/constants.rs
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@ -126,6 +126,10 @@ impl ServiceFlags {
/// data. /// data.
pub const WITNESS: ServiceFlags = ServiceFlags(1 << 3); pub const WITNESS: ServiceFlags = ServiceFlags(1 << 3);
/// COMPACT_FILTERS means the node will service basic block filter requests.
/// See BIP157 and BIP158 for details on how this is implemented.
pub const COMPACT_FILTERS: ServiceFlags = ServiceFlags(1 << 6);
/// NETWORK_LIMITED means the same as NODE_NETWORK with the limitation of only serving the last /// NETWORK_LIMITED means the same as NODE_NETWORK with the limitation of only serving the last
/// 288 (2 day) blocks. /// 288 (2 day) blocks.
/// See BIP159 for details on how this is implemented. /// See BIP159 for details on how this is implemented.
@ -197,6 +201,7 @@ impl fmt::Display for ServiceFlags {
write_flag!(GETUTXO); write_flag!(GETUTXO);
write_flag!(BLOOM); write_flag!(BLOOM);
write_flag!(WITNESS); write_flag!(WITNESS);
write_flag!(COMPACT_FILTERS);
write_flag!(NETWORK_LIMITED); write_flag!(NETWORK_LIMITED);
// If there are unknown flags left, we append them in hex. // If there are unknown flags left, we append them in hex.
if flags != ServiceFlags::NONE { if flags != ServiceFlags::NONE {
@ -319,6 +324,7 @@ mod tests {
ServiceFlags::GETUTXO, ServiceFlags::GETUTXO,
ServiceFlags::BLOOM, ServiceFlags::BLOOM,
ServiceFlags::WITNESS, ServiceFlags::WITNESS,
ServiceFlags::COMPACT_FILTERS,
ServiceFlags::NETWORK_LIMITED, ServiceFlags::NETWORK_LIMITED,
]; ];
@ -338,13 +344,17 @@ mod tests {
flags2 ^= ServiceFlags::WITNESS; flags2 ^= ServiceFlags::WITNESS;
assert_eq!(flags2, ServiceFlags::GETUTXO); assert_eq!(flags2, ServiceFlags::GETUTXO);
flags2 |= ServiceFlags::COMPACT_FILTERS;
flags2 ^= ServiceFlags::GETUTXO;
assert_eq!(flags2, ServiceFlags::COMPACT_FILTERS);
// Test formatting. // Test formatting.
assert_eq!("ServiceFlags(NONE)", ServiceFlags::NONE.to_string()); assert_eq!("ServiceFlags(NONE)", ServiceFlags::NONE.to_string());
assert_eq!("ServiceFlags(WITNESS)", ServiceFlags::WITNESS.to_string()); assert_eq!("ServiceFlags(WITNESS)", ServiceFlags::WITNESS.to_string());
let flag = ServiceFlags::WITNESS | ServiceFlags::BLOOM | ServiceFlags::NETWORK; let flag = ServiceFlags::WITNESS | ServiceFlags::BLOOM | ServiceFlags::NETWORK;
assert_eq!("ServiceFlags(NETWORK|BLOOM|WITNESS)", flag.to_string()); assert_eq!("ServiceFlags(NETWORK|BLOOM|WITNESS)", flag.to_string());
let flag = ServiceFlags::WITNESS | 0xf0.into(); let flag = ServiceFlags::WITNESS | 0xf0.into();
assert_eq!("ServiceFlags(WITNESS|0xf0)", flag.to_string()); assert_eq!("ServiceFlags(WITNESS|COMPACT_FILTERS|0xb0)", flag.to_string());
} }
} }