tapchannelmsg: add routines for chunking and unchunking a proof file

In this commit, we add functions to chunk and unchunk a proof file.
Given a chunk size, we'll split up the proof into smaller components,
along with a hash digest for authentication verification and tracking.
On the other side, we'll collect all the chunks, check the digest, and
finally decode the chunk itself.

Property based tests are also added for both the positive and the
negative cases.

tapchannelmsg/testdata/rapid/TestProofChunkRoundTripProperty/TestProofChunkRoundTripProperty-20241217204719-3582.fail

@@ -0,0 +1,390 @@
+# 2024/12/17 20:47:19.611791 [TestProofChunkRoundTripProperty] [rapid] draw randGen: asset.Genesis{FirstPrevOut:wire.OutPoint{Hash:chainhash.Hash{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, Index:0x0}, Tag:"À᪾𐐀᪾AAႠAAAA\ufeffᾈAAAA\ufeffAÀAÀ᪾AA𐄷DžAAᾈA𞤡ᛮA", MetaHash:[32]uint8{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, OutputIndex:0x0, Type:0x0}
+# 2024/12/17 20:47:19.611811 [TestProofChunkRoundTripProperty] [rapid] draw assetType: 0
+# 2024/12/17 20:47:19.611823 [TestProofChunkRoundTripProperty] [rapid] draw scriptKey: &secp256k1.PublicKey{x:secp256k1.FieldVal{n:[10]uint32{0x2f81798, 0xa056c5, 0x28d959f, 0x36cb738, 0x3029bfc, 0x3a1c2c1, 0x206295c, 0x2eeb156, 0x27ef9dc, 0x1e6f99}}, y:secp256k1.FieldVal{n:[10]uint32{0x310d4b8, 0x1f423fe, 0x14199c4, 0x1229a15, 0xfd17b4, 0x384422a, 0x24fbfc0, 0x3119576, 0x27726a3, 0x120eb6}}}
+# 2024/12/17 20:47:19.612743 [TestProofChunkRoundTripProperty] [rapid] draw chunkSize: 1
+# 2024/12/17 20:47:19.612983 [TestProofChunkRoundTripProperty] 
+# 	Error Trace:	/Users/roasbeef/gocode/src/github.com/lightninglabs/taproot-assets/tapchannelmsg/wire_msgs_test.go:160
+# 	            				/Users/roasbeef/gocode/pkg/mod/pgregory.net/[email protected]/engine.go:368
+# 	            				/Users/roasbeef/gocode/pkg/mod/pgregory.net/[email protected]/engine.go:377
+# 	            				/Users/roasbeef/gocode/pkg/mod/pgregory.net/[email protected]/engine.go:203
+# 	            				/Users/roasbeef/gocode/pkg/mod/pgregory.net/[email protected]/engine.go:118
+# 	            				/Users/roasbeef/gocode/src/github.com/lightninglabs/taproot-assets/tapchannelmsg/wire_msgs_test.go:129
+# 	Error:      	Received unexpected error:
+# 	            	unable to decode full proof: bytes: too large: 65
+# 	Test:       	TestProofChunkRoundTripProperty
+# 
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