/v1/transactions/simulate REST API Endpoint

Query Parameters

estimate_gas_unit_price

boolean

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estimate_max_gas_amount

boolean

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estimate_prioritized_gas_unit_price

boolean

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sender

string

REQUIRED

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sequence_number

string

REQUIRED

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max_gas_amount

string

REQUIRED

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gas_unit_price

string

REQUIRED

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expiration_timestamp_secs

string

REQUIRED

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payload

object

REQUIRED

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type

string

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function

string

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type_arguments

array

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arguments

array

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signature

object

REQUIRED

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type

string

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public_key

string

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signature

string

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Returns

version

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hash

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state_change_hash

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event_root_hash

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state_checkpoint_hash

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gas_used

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success

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vm_status

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accumulator_root_hash

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changes

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type

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address

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state_key_hash

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module

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sender

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sequence_number

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max_gas_amount

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gas_unit_price

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expiration_timestamp_secs

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payload

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type

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function

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type_arguments

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arguments

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signature

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type

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public_key

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signature

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events

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guid

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creation_number

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account_address

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sequence_number

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type

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data

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timestamp

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Request

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curl --request POST \
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  --url https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate \
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  --header 'Accept: application/json, application/x-bcs' \
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  --header 'Content-Type: application/json' \
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  --data '{
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  "sender": "SENDER_ADDRESS",
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  "sequence_number": "SEQUENCE_NUMBER",
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  "max_gas_amount": "MAX_GAS_AMOUNT",
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  "gas_unit_price": "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs": "EXPIRATION_TIMESTAMP_SECS",
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  "payload": {
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    "type": "PAYLOAD_TYPE",
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    "function": "FUNCTION",
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    "type_arguments": [
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      "string"
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    ],
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    "arguments": [
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      null
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    ]
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  },
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  "signature": {
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    "type": "SIGNATURE_TYPE",
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    "public_key": "PUBLIC_KEY",
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    "signature": "SIGNATURE"
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  }
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}'

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curl --request POST \
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  --url https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate \
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  --header 'Accept: application/json, application/x-bcs' \
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  --header 'Content-Type: application/json' \
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  --data '{
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  "sender": "SENDER_ADDRESS",
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  "sequence_number": "SEQUENCE_NUMBER",
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  "max_gas_amount": "MAX_GAS_AMOUNT",
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  "gas_unit_price": "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs": "EXPIRATION_TIMESTAMP_SECS",
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  "payload": {
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    "type": "PAYLOAD_TYPE",
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    "function": "FUNCTION",
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    "type_arguments": [
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      "string"
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    ],
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    "arguments": [
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      null
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    ]
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  },
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  "signature": {
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    "type": "SIGNATURE_TYPE",
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    "public_key": "PUBLIC_KEY",
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    "signature": "SIGNATURE"
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  }
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}'

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var myHeaders = new Headers();
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myHeaders.append("Accept", "application/json, application/x-bcs");
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myHeaders.append("Content-Type", "application/json");
4

5
var raw = JSON.stringify({
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  "sender": "SENDER_ADDRESS",
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  "sequence_number": "SEQUENCE_NUMBER",
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  "max_gas_amount": "MAX_GAS_AMOUNT",
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  "gas_unit_price": "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs": "EXPIRATION_TIMESTAMP_SECS",
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  "payload": {
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    "type": "PAYLOAD_TYPE",
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    "function": "FUNCTION",
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    "type_arguments": [
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      "string"
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    ],
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    "arguments": [
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      null
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    ]
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  },
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  "signature": {
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    "type": "SIGNATURE_TYPE",
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    "public_key": "PUBLIC_KEY",
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    "signature": "SIGNATURE"
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  }
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});
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var requestOptions = {
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  method: 'POST',
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  headers: myHeaders,
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  body: raw,
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  redirect: 'follow'
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};
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fetch("https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate", requestOptions)
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  .then(response => response.text())
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  .then(result => console.log(result))
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  .catch(error => console.log('error', error));

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var myHeaders = new Headers();
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myHeaders.append("Accept", "application/json, application/x-bcs");
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myHeaders.append("Content-Type", "application/json");
4

5
var raw = JSON.stringify({
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  "sender": "SENDER_ADDRESS",
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  "sequence_number": "SEQUENCE_NUMBER",
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  "max_gas_amount": "MAX_GAS_AMOUNT",
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  "gas_unit_price": "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs": "EXPIRATION_TIMESTAMP_SECS",
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  "payload": {
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    "type": "PAYLOAD_TYPE",
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    "function": "FUNCTION",
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    "type_arguments": [
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      "string"
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    ],
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    "arguments": [
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      null
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    ]
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  },
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  "signature": {
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    "type": "SIGNATURE_TYPE",
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    "public_key": "PUBLIC_KEY",
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    "signature": "SIGNATURE"
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  }
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});
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var requestOptions = {
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  method: 'POST',
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  headers: myHeaders,
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  body: raw,
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  redirect: 'follow'
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};
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fetch("https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate", requestOptions)
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  .then(response => response.text())
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  .then(result => console.log(result))
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  .catch(error => console.log('error', error));

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import requests
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import json
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url = 'https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate'
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headers = {
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  'Accept': 'application/json, application/x-bcs',
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  'Content-Type': 'application/json'
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}
10

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data = {
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  "sender": "SENDER_ADDRESS",
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  "sequence_number": "SEQUENCE_NUMBER",
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  "max_gas_amount": "MAX_GAS_AMOUNT",
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  "gas_unit_price": "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs": "EXPIRATION_TIMESTAMP_SECS",
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  "payload": {
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    "type": "PAYLOAD_TYPE",
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    "function": "FUNCTION",
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    "type_arguments": [
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      "string"
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    ],
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    "arguments": [
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      None
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    ]
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  },
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  "signature": {
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    "type": "SIGNATURE_TYPE",
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    "public_key": "PUBLIC_KEY",
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    "signature": "SIGNATURE"
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  }
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}
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response = requests.post(url, headers=headers, json=data)
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print(response.json())
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import requests
2
import json
3

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url = 'https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate'
5

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headers = {
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  'Accept': 'application/json, application/x-bcs',
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  'Content-Type': 'application/json'
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}
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data = {
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  "sender": "SENDER_ADDRESS",
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  "sequence_number": "SEQUENCE_NUMBER",
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  "max_gas_amount": "MAX_GAS_AMOUNT",
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  "gas_unit_price": "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs": "EXPIRATION_TIMESTAMP_SECS",
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  "payload": {
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    "type": "PAYLOAD_TYPE",
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    "function": "FUNCTION",
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    "type_arguments": [
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      "string"
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    ],
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    "arguments": [
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      None
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    ]
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  },
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  "signature": {
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    "type": "SIGNATURE_TYPE",
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    "public_key": "PUBLIC_KEY",
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    "signature": "SIGNATURE"
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  }
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}
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response = requests.post(url, headers=headers, json=data)
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print(response.json())
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1
require 'net/http'
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require 'json'
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url = URI.parse('https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate')
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http = Net::HTTP.new(url.host, url.port)
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http.use_ssl = true
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headers = {
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  'Accept' => 'application/json, application/x-bcs',
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  'Content-Type' => 'application/json'
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}
12

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data = {
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  "sender" => "SENDER_ADDRESS",
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  "sequence_number" => "SEQUENCE_NUMBER",
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  "max_gas_amount" => "MAX_GAS_AMOUNT",
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  "gas_unit_price" => "GAS_UNIT_PRICE",
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  "expiration_timestamp_secs" => "EXPIRATION_TIMESTAMP_SECS",
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  "payload" => {
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    "type" => "PAYLOAD_TYPE",
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    "function" => "FUNCTION",
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    "type_arguments" => [
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      "string"
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    ],
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    "arguments" => [
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      nil
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    ]
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  },
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  "signature" => {
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    "type" => "SIGNATURE_TYPE",
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    "public_key" => "PUBLIC_KEY",
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    "signature" => "SIGNATURE"
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  }
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}
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request = Net::HTTP::Post.new(url.path, headers)
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request.body = data.to_json
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response = http.request(request)
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puts response.body
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1
require 'net/http'
2
require 'json'
3

4
url = URI.parse('https://docs-demo.aptos-mainnet.quiknode.pro/v1/transactions/simulate')
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http = Net::HTTP.new(url.host, url.port)
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http.use_ssl = true
7

8
headers = {
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  'Accept' => 'application/json, application/x-bcs',
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  'Content-Type' => 'application/json'
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}
12

13
data = {
14
  "sender" => "SENDER_ADDRESS",
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  "sequence_number" => "SEQUENCE_NUMBER",
16
  "max_gas_amount" => "MAX_GAS_AMOUNT",
17
  "gas_unit_price" => "GAS_UNIT_PRICE",
18
  "expiration_timestamp_secs" => "EXPIRATION_TIMESTAMP_SECS",
19
  "payload" => {
20
    "type" => "PAYLOAD_TYPE",
21
    "function" => "FUNCTION",
22
    "type_arguments" => [
23
      "string"
24
    ],
25
    "arguments" => [
26
      nil
27
    ]
28
  },
29
  "signature" => {
30
    "type" => "SIGNATURE_TYPE",
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    "public_key" => "PUBLIC_KEY",
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    "signature" => "SIGNATURE"
33
  }
34
}
35

36
request = Net::HTTP::Post.new(url.path, headers)
37
request.body = data.to_json
38

39
response = http.request(request)
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puts response.body
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