The mainnet has same transaction hash bug also, such as both of blocks 39185599 and 39185611 has transaction hash 0x000f94c5677e68504bc8daabdb051d3f1e51fd626b59d9533f5fc55f656f6fd1. There is a fix already: github.com/XinFinOrg/XDPoSChain/pu.... Please wait for some time.
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I'm not sure whether the mainnet has this issue. This issue will affect some software. But It's a very big project to solve it.
I'll write a script to check the duplicate transaction hashes on mainnet when I'm free.
The mainnet has same transaction hash bug also, such as both of blocks 39185599 and 39185611 has transaction hash 0x000f94c5677e68504bc8daabdb051d3f1e51fd626b59d9533f5fc55f656f6fd1. There is a fix already: github.com/XinFinOrg/XDPoSChain/pu.... Please wait for some time.