mirror of
https://github.com/status-im/nimbus-eth1.git
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86 lines
2.4 KiB
Nim
86 lines
2.4 KiB
Nim
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# Nimbus
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# Copyright (c) 2025 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or
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# distributed except according to those terms.
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{.used.}
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import
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unittest2,
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stew/endians2,
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results,
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eth/common/hashes,
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../../execution_chain/db/aristo/[
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aristo_delete,
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aristo_desc,
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aristo_fetch,
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aristo_tx_frame,
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aristo_init,
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aristo_init/memory_db,
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aristo_merge,
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aristo_persist,
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]
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proc makeAccount(i: uint64): (Hash32, AristoAccount) =
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var path: Hash32
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path.data()[0 .. 7] = i.toBytesBE()
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(path, AristoAccount(balance: i.u256, codeHash: EMPTY_CODE_HASH))
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const
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acc1 = makeAccount(1)
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acc2 = makeAccount(2)
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suite "Aristo TxFrame":
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setup:
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let
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mdb = MemDbRef()
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db = AristoDbRef.init(memoryBackend(mdb)).expect("working memory backend")
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test "Frames should independently keep data":
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let
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tx0 = db.txFrameBegin(db.baseTxFrame())
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tx1 = db.txFrameBegin(tx0)
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tx2 = db.txFrameBegin(tx1)
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tx2b = db.txFrameBegin(tx1)
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check:
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tx0.mergeAccountRecord(acc1[0], acc1[1]).isOk()
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tx1.mergeAccountRecord(acc2[0], acc2[1]).isOk()
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tx2.deleteAccountRecord(acc2[0]).isOk()
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tx2b.deleteAccountRecord(acc1[0]).isOk()
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check:
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tx0.fetchAccountRecord(acc1[0]).isOk()
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tx0.fetchAccountRecord(acc2[0]).isErr() # Doesn't exist in tx0
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tx1.fetchAccountRecord(acc1[0]).isOk()
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tx1.fetchAccountRecord(acc1[0]).isOk()
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tx2.fetchAccountRecord(acc1[0]).isOk()
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tx2.fetchAccountRecord(acc2[0]).isErr() # Doesn't exist in tx2
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tx2b.fetchAccountRecord(acc1[0]).isErr() # Doesn't exist in tx2b
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tx0.fetchAccountRecord(acc1[0]) == tx2.fetchAccountRecord(acc1[0])
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tx0.fetchStateRoot() != tx1.fetchStateRoot()
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tx0.fetchStateRoot() == tx2.fetchStateRoot()
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tx2.checkpoint(1)
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let batch = db.backend.putBegFn().expect("working batch")
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db.persist(batch, tx2)
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check:
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db.backend.putEndFn(batch).isOk()
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db.finish()
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block:
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let
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db2 = AristoDbRef.init(memoryBackend(mdb)).expect("working backend")
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tx = db2.baseTxFrame()
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check:
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tx.fetchAccountRecord(acc1[0]).isOk()
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tx.fetchAccountRecord(acc2[0]).isErr() # Doesn't exist in tx2
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