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37 lines
1.6 KiB
Markdown
37 lines
1.6 KiB
Markdown
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# JSON-RPC Interface
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The headless daemon `dashd` has the JSON-RPC API enabled by default, the GUI
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`dash-qt` has it disabled by default. This can be changed with the `-server`
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option. In the GUI it is possible to execute RPC methods in the Debug Console
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Dialog.
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## RPC consistency guarantees
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State that can be queried via RPCs is guaranteed to be at least up-to-date with
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the chain state immediately prior to the call's execution. However, the state
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returned by RPCs that reflect the mempool may not be up-to-date with the
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current mempool state.
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### Transaction Pool
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The mempool state returned via an RPC is consistent with itself and with the
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chain state at the time of the call. Thus, the mempool state only encompasses
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transactions that are considered mine-able by the node at the time of the RPC.
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The mempool state returned via an RPC reflects all effects of mempool and chain
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state related RPCs that returned prior to this call.
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### Wallet
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The wallet state returned via an RPC is consistent with itself and with the
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chain state at the time of the call.
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Wallet RPCs will return the latest chain state consistent with prior non-wallet
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RPCs. The effects of all blocks (and transactions in blocks) at the time of the
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call is reflected in the state of all wallet transactions. For example, if a
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block contains transactions that conflicted with mempool transactions, the
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wallet would reflect the removal of these mempool transactions in the state.
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However, the wallet may not be up-to-date with the current state of the mempool
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or the state of the mempool by an RPC that returned before this RPC.
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