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spend.go
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/
spend.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package common
import (
"github.com/VidarSolutions/avalanchego/ids"
"github.com/VidarSolutions/avalanchego/utils/set"
"github.com/VidarSolutions/avalanchego/vms/secp256k1fx"
)
// MatchOwners attempts to match a list of addresses up to the provided
// threshold.
func MatchOwners(
owners *secp256k1fx.OutputOwners,
addrs set.Set[ids.ShortID],
minIssuanceTime uint64,
) ([]uint32, bool) {
if owners.Locktime > minIssuanceTime {
return nil, false
}
sigs := make([]uint32, 0, owners.Threshold)
for i := uint32(0); i < uint32(len(owners.Addrs)) && uint32(len(sigs)) < owners.Threshold; i++ {
addr := owners.Addrs[i]
if addrs.Contains(addr) {
sigs = append(sigs, i)
}
}
return sigs, uint32(len(sigs)) == owners.Threshold
}