Bump ethereumjs-util from 6.2.1 to 7.1.0

[dependabot-preview]

Bumps ethereumjs-util from 6.2.1 to 7.1.0.

Release notes

Sourced from ethereumjs-util's releases.

ethereumjs-util v7.1.0

Distribution Changes

Dual ES5 and ES2017 Builds

We significantly updated our internal tool and CI setup along the work on PR #913 with an update to ESLint from TSLint for code linting and formatting and the introduction of a new build setup.

Packages now target ES2017 for Node.js builds (the main entrypoint from package.json) and introduce a separate ES5 build distributed along using the browser directive as an entrypoint, see PR #921. This will result in performance benefits for Node.js consumers, see here for a releated discussion.

Included Source Files

Source files from the src folder are now included in the distribution build, see PR #1301. This allows for a better debugging experience in debug tools like Chrome DevTools by having working source map references to the original sources available for inspection.

EIP-2098 Support (Compact 64-byte Signatures)

The signature module comes with a new helper function toCompactSig(v: BNLike, r: Buffer, s: Buffer, chainId?: BNLike): string which allows to convert signature parameters into the format of Compact Signature Representation as defined in EIP-2098.

Other Changes

• Renamed bnToRlp()helper function to bnToUnpaddedBuffer(), PR #1293

ethereumjs-util v7.0.10

• Added Address.isPrecompileOrSystemAddress() method which returns true if address is in the address range defined by EIP-1352, PR #1170
• Return false (instead of throwing) for non-hex-string values in account module isValidAddress, isValidChecksumAddress, isZeroAddress methods (it now gets enough to just handle the false case on function usage), PR #1173

Commits

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