MNT Part 2: feat(state): add MNT state support - #28
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This PR is stacked on #24, so the base shouldn't be |
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Carry QuarkChain multi-native-token (MNT) balances through the state layer so accounts can hold per-token balances alongside the native Ether balance. - state_object_qkc.go / statedb_qkc.go: MNT balance accessors on stateObject and StateDB (Get/Add/Sub/Set), guarding the per-account token count against the MNT limit. - journal.go: journal entries for MNT balance changes so they revert correctly with snapshots. - state_object.go: deep-copy MntBalances in newObject and on copy, so a mutation through one object cannot leak into another. - reader.go: decode MntBalances and FullShardKey out of the slim account served by the flat reader. - database_mpt.go / database_ubt.go: re-encode AccountsOrigin from slim-RLP to full QKC account RLP before handing it to pathdb, which needs it to match the trie leaf format for history verification. - pathdb/execute.go: decode AccountsOrigin as a full QKC StateAccount instead of slim-RLP, matching the invariant the commit paths now establish. mnt_test.go covers the accessors, journal revert, and copy isolation. The in-package test adaptations (state_test.go, statedb_fuzz_test.go) follow the account encoding change.
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Summary
StateDBand state objects.FullShardKeywhen creating accounts.Notes
This PR is based on
feature/mnt-core-types. The default QKC token continues to use the existing balance APIs, while other native tokens use the new MNT APIs.