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Merge branch 'master' into nate/rhp4-dx
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n8maninger authored Nov 19, 2024
2 parents e1e6664 + 88d9985 commit b1c0254
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Showing 2 changed files with 9 additions and 60 deletions.
67 changes: 8 additions & 59 deletions types/encoding.go
Original file line number Diff line number Diff line change
Expand Up @@ -587,29 +587,10 @@ func (p SpendPolicy) EncodeTo(e *Encoder) {
// EncodeTo implements types.EncoderTo.
func (sp SatisfiedPolicy) EncodeTo(e *Encoder) {
sp.Policy.EncodeTo(e)
var sigi, prei int
var rec func(SpendPolicy)
rec = func(p SpendPolicy) {
switch p := p.Type.(type) {
case PolicyTypePublicKey:
sp.Signatures[sigi].EncodeTo(e)
sigi++
case PolicyTypeHash:
e.Write(sp.Preimages[prei][:])
prei++
case PolicyTypeThreshold:
for i := range p.Of {
rec(p.Of[i])
}
case PolicyTypeUnlockConditions:
for i := range p.PublicKeys {
rec(PolicyPublicKey(*(*PublicKey)(p.PublicKeys[i].Key)))
}
default:
// nothing to do
}
}
rec(sp.Policy)
EncodeSlice(e, sp.Signatures)
EncodeSliceFn(e, sp.Preimages, func(e *Encoder, pre [32]byte) {
Hash256(pre).EncodeTo(e)
})
}

// EncodeTo implements types.EncoderTo.
Expand Down Expand Up @@ -1165,43 +1146,11 @@ func (p *SpendPolicy) DecodeFrom(d *Decoder) {
// DecodeFrom implements types.DecoderFrom.
func (sp *SatisfiedPolicy) DecodeFrom(d *Decoder) {
sp.Policy.DecodeFrom(d)
// if policy decoding fails, the code below (namely the array cast) may
// panic, so abort early
if d.Err() != nil {
DecodeSlice(d, &sp.Signatures)
DecodeSliceFn(d, &sp.Preimages, func(d *Decoder) (pre [32]byte) {
(*Hash256)(&pre).DecodeFrom(d)
return
}

var rec func(SpendPolicy)
rec = func(p SpendPolicy) {
switch p := p.Type.(type) {
case PolicyTypePublicKey:
var s Signature
s.DecodeFrom(d)
sp.Signatures = append(sp.Signatures, s)
case PolicyTypeHash:
var pre [32]byte
d.Read(pre[:])
sp.Preimages = append(sp.Preimages, pre)
case PolicyTypeThreshold:
for i := range p.Of {
rec(p.Of[i])
}
case PolicyTypeUnlockConditions:
for _, uk := range p.PublicKeys {
if len(uk.Key) != 32 {
d.SetErr(fmt.Errorf("invalid public key length: %d", len(uk.Key)))
return
} else if uk.Algorithm != SpecifierEd25519 {
d.SetErr(fmt.Errorf("invalid specifier: %v", uk.Algorithm))
return
}
rec(PolicyPublicKey(*(*PublicKey)(uk.Key)))
}
default:
// nothing to do
}
}
rec(sp.Policy)
})
}

// DecodeFrom implements types.DecoderFrom.
Expand Down
2 changes: 1 addition & 1 deletion types/multiproof_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -160,7 +160,7 @@ func TestBlockCompression(t *testing.T) {
{"4 elements", multiproofTxns(2, 2), 0.90},
{"10 elements", multiproofTxns(2, 5), 0.85},
{"25 elements", multiproofTxns(5, 5), 0.75},
{"100 elements", multiproofTxns(10, 10), 0.70},
{"100 elements", multiproofTxns(10, 10), 0.71},
}
for _, test := range tests {
if r := ratio(test.txns); r >= test.exp {
Expand Down

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