I suspect that the v0.4 - v0.7 stalls are all due to the same issue, but what is it? Is this a result of the "BDB locks issue" that caused the unintentional chain split in 2013? I tried creating a file ~/.bitcoin/DB_CONFIG as per these instructions: set_lg_dir databaseīut each node version still stalls at the same block height as before. InvalidChainFound: invalid block=00000000000000000221 height=364671ĮRROR: SetBestChain() : SetBestChainInner failedĮRROR: AcceptBlock() : AddToBlockIndex failedĮRROR: ProcessBlock() : AcceptBlock FAILED V0.7 failed at the same block but with a different error logged.ĮRROR: ConnectBlock() : UpdateTxIndex failed This is similarly notable because it looks like block 364,671 is the first block that hit 1MB in size. ProcessMessage(block, 999787 bytes) FAILED V0.6 stopped syncing after block 364,670 with error This is notable because it looks like block 258355 is the first block that is 900KB in size before this height it looks like almost all mined blocks were hitting the default "soft limit" of 250KB at the time. ProcessMessage(block, 901212 bytes) FAILED V0.4 and v0.5 both stopped syncing after block 258,354 with error
#BITCOIN CORE DOWNLOAD PATCH#
however, Andrew Chow pointed out that they backported this OpenSSL patch in 2015. I was confused at first because gitian builder uses Ubuntu 10.04 virtual machines as build environments, which I figured should be using the older (compatible) version of OpenSSL.
#BITCOIN CORE DOWNLOAD CODE#
The workaround is to either build Bitcoin Core with an older version of OpenSSL or to manually apply this code patch before building. You can read an excellent deep dive into bitcoin transaction signature history here it notes that if you try to validate the early chain with a newer version of OpenSSL (1.0.0p / 1.0.1k) then you'll get failures because the DER validation is stricter and will reject certain types of encodings.
75 bytes is on the extreme upper bound whereas most P2PKH spends are 71 - 73 bytes. It wouldn't be a stretch to assume this was a fairly technical person who was trying to break the network.Įventually, something that jumped out at me was the size of this input's signature. However, if we start looking into the history of whomever was spending funds locked by that Bitcoin address, we can see that they crafted several odd transactions with hundreds of "0 value" outputs. InvalidChainFound: invalid block=0000000000004939267fĪt first glance this doesn't look like a particularly weird transaction. V0.3: stopped syncing after block 124,275 with this error:ĮRROR: ConnectInputs() : fb0a1d8d34 VerifySignature failed
None of the versions prior to v0.8.0 will be able to complete a sync to chain tip for various reasons.
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