98 lines
1.8 KiB
Plaintext
98 lines
1.8 KiB
Plaintext
import {
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DocBlock,
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DocSideBySide,
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CodeParams,
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Parameter,
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Field,
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Values,
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CodeSnippets,
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} from "../../../components/CodeDocBlock";
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<DocBlock>
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## getFeeCalculatorForBlockhash
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:::warning DEPRECATED
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This method is expected to be removed in solana-core v2.0
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**Please use [isBlockhashValid](#isblockhashvalid) or [getFeeForMessage](#getfeeformessage) instead**
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:::
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Returns the fee calculator associated with the query blockhash, or `null` if the blockhash has expired
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<DocSideBySide>
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<CodeParams>
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### Parameters:
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<Parameter type={"string"} required={true}>
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query blockhash, as a base-58 encoded string
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</Parameter>
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<Parameter type={"object"} optional={true}>
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Configuration object containing the following fields:
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<Field
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name="commitment"
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type="string"
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optional={true}
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href="/api/http#configuring-state-commitment"
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></Field>
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<Field name="minContextSlot" type="number" optional={true}>
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The minimum slot that the request can be evaluated at
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</Field>
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</Parameter>
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### Result:
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The result will be an RpcResponse JSON object with `value` equal to:
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- `<null>` - if the query blockhash has expired; or
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- `<object>` - otherwise, a JSON object containing:
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- `feeCalculator: <object>` - `FeeCalculator` object describing the cluster fee rate at the queried blockhash
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</CodeParams>
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<CodeSnippets>
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### Code sample:
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```bash
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curl http://localhost:8899 -X POST -H "Content-Type: application/json" -d '
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{
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"jsonrpc": "2.0",
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"id": 1,
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"method": "getFeeCalculatorForBlockhash",
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"params": [
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"GJxqhuxcgfn5Tcj6y3f8X4FeCDd2RQ6SnEMo1AAxrPRZ"
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]
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}
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'
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```
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### Response:
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```json
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{
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"jsonrpc": "2.0",
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"result": {
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"context": {
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"slot": 221
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},
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"value": {
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"feeCalculator": {
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"lamportsPerSignature": 5000
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}
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}
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},
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"id": 1
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}
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```
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</CodeSnippets>
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</DocSideBySide>
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</DocBlock>
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