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btc: update btcd to fix critical block parsing failure
This updates the btcd require to v0.23.2, which includes a critical fix to the wire package's block parsing code that resolves a failure to deserialize a block with a script witness item larger than 11000. There are now blocks on mainnet and testnet that cannot be deserialized with v0.23.1, meaning this is a critical fix for takers who need to find the maker's redeem transaction and pull the block containing the spending transaction. For SPV, only the matching block is pulled. For a full node RPC wallet, the blocks are pulled in sequence and each transaction is checked directly. As such, the issue affects both types of wallet clients. See mainnet block 0000000000000000000400a35a007e223a7fb8a622dc7b5aa5eaace6824291fb containing and enormous 998-of-999 tapscript multisig in txn 7393096d97bfee8660f4100ffd61874d62f9a65de9fb6acf740c4c386990ef73. See also testnet block 0000000000000032fcf519b61aad2b966348e3f2d27687b26277933cc9881965 containing taproot transaction 44692bc2da73192cd0b89bc7a43c0ce43578f6b3567bc945e46e6952e8ec5ca5. This also updates the btcwallet require from 0.15.1 to 0.16.1. This also adds a new test with the above mainnet block and transaction as test vectors.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/btcsuite/btcd/chaincfg/chainhash" | ||
| "github.com/btcsuite/btcd/rpcclient" | ||
| ) | ||
|
|
||
| var host = flag.String("host", "127.0.0.1:8332", "node RPC host:port") | ||
| var user = flag.String("user", "", "node RPC username") | ||
| var pass = flag.String("pass", "", "node RPC password") | ||
|
|
||
| func main() { | ||
| os.Exit(mainCore()) | ||
| } | ||
|
|
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| func mainCore() int { | ||
| flag.Parse() | ||
|
|
||
| client, err := rpcclient.New(&rpcclient.ConnConfig{ | ||
| HTTPPostMode: true, | ||
| DisableTLS: true, | ||
| Host: *host, | ||
| User: *user, | ||
| Pass: *pass, | ||
| }, nil) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "ERROR: Unable to connect to RPC server: %v\n", err) | ||
| return 1 | ||
| } | ||
| defer client.Shutdown() | ||
|
|
||
| infoResult, err := client.GetNetworkInfo() | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "ERROR: GetInfo failed: %v\n", err) | ||
| return 1 | ||
| } | ||
| fmt.Printf("Node connection count: %d\n", infoResult.Connections) | ||
|
|
||
| hash, err := client.GetBestBlockHash() | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "ERROR: GetBestBlockHash failed: %v\n", err) | ||
| return 2 | ||
| } | ||
| hdr, err := client.GetBlockHeaderVerbose(hash) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "ERROR: GetBestBlockHash failed: %v\n", err) | ||
| return 2 | ||
| } | ||
| fmt.Println(hdr.Height, hash) | ||
|
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| // block with tx with big witness item that fails for old btcd/wire | ||
| bigBlockHash, _ := chainhash.NewHashFromStr("0000000000000000000400a35a007e223a7fb8a622dc7b5aa5eaace6824291fb") | ||
| msgBlock, err := client.GetBlock(bigBlockHash) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return 1 | ||
| } | ||
| fmt.Println(msgBlock.BlockHash()) | ||
|
|
||
| return 0 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| //go:build !spvlive | ||
|
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| package btc | ||
|
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| import ( | ||
| "bytes" | ||
| _ "embed" | ||
| "testing" | ||
|
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| "github.com/btcsuite/btcd/wire" | ||
| ) | ||
|
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| //go:embed bitcoin-block-757922.dat | ||
| var block757922 []byte | ||
|
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| //go:embed bitcoin-tx-7393096d97bfee8660f4100ffd61874d62f9a65de9fb6acf740c4c386990ef73.dat | ||
| var tx7393096d9 []byte | ||
|
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| func TestBigWitness(t *testing.T) { | ||
| msgBlock := &wire.MsgBlock{} | ||
| err := msgBlock.Deserialize(bytes.NewReader(block757922)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| wantHash := "0000000000000000000400a35a007e223a7fb8a622dc7b5aa5eaace6824291fb" | ||
| if h := msgBlock.BlockHash().String(); h != wantHash { | ||
| t.Errorf("got %v, wanted %v", h, wantHash) | ||
| } | ||
|
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| msgTx := &wire.MsgTx{} | ||
| err = msgTx.Deserialize(bytes.NewReader(tx7393096d9)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| wantHash = "7393096d97bfee8660f4100ffd61874d62f9a65de9fb6acf740c4c386990ef73" | ||
| if h := msgTx.TxHash().String(); h != wantHash { | ||
| t.Errorf("got %v, wanted %v", h, wantHash) | ||
| } | ||
| } |
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