Bump github.com/ethereum/go-ethereum from 1.9.15 to 1.9.21

[dependabot]

Bumps github.com/ethereum/go-ethereum from 1.9.15 to 1.9.21.

Release notes

Sourced from github.com/ethereum/go-ethereum's releases.

Tavum (v1.9.21)

Geth v1.9.21 is a regular maintenance release, the highlights being the removal of whisper, better call tracing and multiple memory stability fixes during fast sync to both stabilize usage as well as to fix a memory leak that lead to crashers before.

• Remove Whisper as promised a couple months ago (#21487, #21526, #21527)!
• Minor user experience polishes around legacy Ledger derivation paths (#21517).
• Implement arbitrary call tracing via debug_traceCall on top of arbitrary blocks (#21338).
• Expose internal transaction revertals and revert reason in the call_tracer tracer (#21387).
• Cap the number of in-memory trie nodes during fast sync, fix crasher memory leak (#21491).
• Prepare the trie syncer for path-based operation to support the upcoming snap sync (#21504).
• Limit the cached data in the downloader more aggressively to avoid memory fluctuations (#21366).
• Fix the simulated chain to not allow changing block timestamps if transactions were included (#21334).
• Fix an ABI parser issue around tuples (#21501).

For a full rundown of the changes please consult the Geth 1.9.21 release milestone

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As with all our previous releases, you can find the:

• Pre-built binaries for all platforms on our downloads page.
• Docker images published under ethereum/client-go.
• Ubuntu packages in our Launchpad PPA repository.
• OSX packages in our Homebrew Tap repository.

Paragade (v1.9.20)

Geth v1.9.20 is another maintenance release containing bug fixes and security enhancements. This update is recommended for all users.

Please note that reverting to Geth v1.9.19 or prior after upgrading to v1.9.20 is not possible without a resync because the blockchain database layout has changed.

New Features:

• You can now query the Chain ID using GraphQL (#21451)
• The evm command can now appends the TX hash to state transition output files (#21406)

Bug Fixes & Optimizations:

• Blockchain rewinding and chain repair, i.e. using the SetHead operation, now behave correctly in all cases. An extensive test suite for chain repair has been added. (#21409, #21409)
• Discovery DHT bootstrapping now works properly in very small private networks. (#21396)
• Contract code is now stored separately from state tree data in LevelDB. This change will help with future database upgrades. (#21080)
• Two additional metrics counters for blockchain reorgs have been added. (#21420)
• Metrics collection is now lock-free, causing less lock contention among peer connections (#21446, #21470)
• The GetNodeData operation in the eth peer-to-peer protocol now uses the fast-sync bloom filter to speed up request processing. (#21445)
• Importing block data during fast-sync now performs significantly fewer database reads. (#21468)

Build Changes:

• This release is built with the new and shiny Go 1.15 compiler version (#21466)

Commits

• 0287d54 params: release Geth v1.9.21
• 24562d9 Merge pull request #21534 from karalabe/cht-1.9.21
• dc681fc params: update CHTs for v1.9.21 release
• 86bcbb0 .github: remove whisper from CODEOWNERS (#21527)
• 066c755 build: remove wnode from the list of packages binaries (#21526)
• 8327d1f accounts/usbwallet, signer/core: show accounts from ledger legacy derivation ...
• d54f2f2 whisper: remove whisper (#21487)
• c5d28f0 accounts: abi/bid/backends; cleaned doc errors, camelCase refactors and anony...
• de971cc eth: added trace_call to trace on top of arbitrary blocks (#21338)
• f86324e Merge pull request #21504 from karalabe/trie-path-sync
• Additional commits viewable in compare view

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[dependabot]

Superseded by #7.