This is a minimal set of changes to make things work with the new types in nim-eth - this is the minimal PR that merely resolves incompatibilities while the full change set would include more cleanup and migration.
* avoid some exceptions using the new compile-time strformat * avoid copying the full transaction only to normalise 2 fields (expensive)
* TxPool: Merge tx_chain and tx_packer to reduce complexity * Fix copyright year
Jacek Sieka
andri lim