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rust-bitcoin-unsafe-fast
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Merge pull request #566 from TheBlueMatt/2021-02-dust-value 

Add Script:dust_value() to get minimum output value for a spk
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Sebastian 2021-02-07 11:45:17 +01:00 committed by GitHub
parent 80b47f1f5b 6622de4041
commit 5bd61967b2
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src/blockdata/script.rs
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@ -400,6 +400,26 @@ impl Script {
opcodes::All::from(self.0[0]).classify() == opcodes::Class::IllegalOp) opcodes::All::from(self.0[0]).classify() == opcodes::Class::IllegalOp)
} }
/// The minimum value an output to a witness script must have in order to be
/// broadcastable on today's bitcoin network.
pub const WITNESS_OUTPUT_DUST_THRESHOLD: u64 = 294;
/// The minimum value an output to a non-witness script must have in order to be
/// broadcastable on today's bitcoin network.
pub const LEGACY_OUTPUT_DUST_THRESHOLD: u64 = 546;
/// Gets the minimum value an output with this script should have in order to be
/// broadcastable on today's bitcoin network.
pub fn dust_value(&self) -> u64 {
if self.is_op_return() {
0
} else if self.is_witness_program() {
Self::WITNESS_OUTPUT_DUST_THRESHOLD
} else {
Self::LEGACY_OUTPUT_DUST_THRESHOLD
}
}
/// Iterate over the script in the form of `Instruction`s, which are an enum covering /// Iterate over the script in the form of `Instruction`s, which are an enum covering
/// opcodes, datapushes and errors. At most one error will be returned and then the /// opcodes, datapushes and errors. At most one error will be returned and then the
/// iterator will end. To instead iterate over the script as sequence of bytes, treat /// iterator will end. To instead iterate over the script as sequence of bytes, treat