43 lines
1.2 KiB
Markdown
43 lines
1.2 KiB
Markdown
## Tx parser (`txparse`)
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This is a very simple utility, which reads line by line from standard input.
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For each line, it tries to interpret it as hexadecimal data, and the data as
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an Ethereum transaction.
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If all goes well, it outputs a line containing the `address` of the sender.
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Otherwise, it outputs `err: ` and a suitable error message.
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### Build instructions
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There are few options to build `txparse` tool like any other nimbus tools.
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1. Use nimble to install dependencies and your system Nim compiler(version <= 1.6.0).
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```
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$> nimble install -y --depsOnly
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$> nim c -d:release tools/txparse/txparse
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```
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2. Use nimbus shipped Nim compiler and dependencies.
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```
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$> make update
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$> ./env.sh nim c tools/txparse/txparse
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```
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3. Use nimbus makefile.
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```
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$> make update
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$> make txparse
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```
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Example:
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```
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$ cat ./sample.input | ./txparse
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err: t is not a hexadecimal character
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err: m is not a hexadecimal character
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err: hex string must have even length
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err: is not a hexadecimal character
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err: Read past the end of the RLP stream
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err: The RLP contains a larger than expected Int value
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0xd02d72e067e77158444ef2020ff2d325f929b363
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0xd02d72e067e77158444ef2020ff2d325f929b363
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err: hex string must have even length
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``` |