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Support parsing multiple levels descriptors (#325)

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* [descriptor] fix parser to support multiple levels descriptors

* add andTokenSize constant
This commit is contained in:
Louis Singer
2024-09-20 15:20:57 +02:00
committed by GitHub
parent 9e3d667b51
commit 877b7d38cd
3 changed files with 169 additions and 12 deletions
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155
common/descriptor/parser_test.go
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@@ -179,6 +179,161 @@ func TestParseTaprootDescriptor(t *testing.T) {
},
wantErr: false,
},
{
name: "Multiple level descriptor",
desc: `
tr(
0250929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac0,
{
{
{
and(and(pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)),
and(older(512), and(pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)))
},
{
and(and(pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)),
and(older(1024), and(pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)))
}
},
{
and(older(512), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)),
and(older(512), and(pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465), pk(873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465)))
}
}
)
`,
expected: descriptor.TaprootDescriptor{
InternalKey: descriptor.Key{Hex: "50929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac0"},
ScriptTree: []descriptor.Expression{
&descriptor.And{
First: &descriptor.And{
First: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
&descriptor.And{
First: &descriptor.Older{
Timeout: 512,
},
Second: &descriptor.And{
First: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
},
&descriptor.And{
First: &descriptor.And{
First: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
&descriptor.And{
First: &descriptor.Older{
Timeout: 1024,
},
Second: &descriptor.And{
First: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
},
&descriptor.And{
First: &descriptor.Older{
Timeout: 512,
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
&descriptor.And{
First: &descriptor.Older{
Timeout: 512,
},
Second: &descriptor.And{
First: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
Second: &descriptor.PK{
Key: descriptor.XOnlyKey{
descriptor.Key{
Hex: "873079a0091c9b16abd1f8c508320b07f0d50144d09ccd792ce9c915dac60465",
},
},
},
},
},
},
},
wantErr: false,
},
}
for _, tt := range tests {