Transaction simulation
A preview of transaction execution against a chosen blockchain state before the transaction is settled.
In more detail
Simulation turns a contract call into a readable preview, such as expected balance changes or a likely error. It runs against a particular view of the chain. Prices or execution conditions may change before inclusion, so a useful simulation remains a preview rather than a promise.
How you might use it
Before you sign, your wallet previews the tokens expected to leave and arrive; the transaction has not settled yet.
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