Namespace: provider

Classes

• Block

Variables

validBlockTags

• Const validBlockTags: ("latest" | "pre_confirmed" | "l1_accepted")[]

Defined in

src/utils/provider.ts:167

Functions

wait

▸ wait(delay): Promise<unknown>

Helper - Async Sleep for 'delay' time

Parameters

Name	Type	Description
delay	number	Number of milliseconds to delay

Returns

Promise<unknown>

Example

await provider.wait(1000) // 1000 milliseconds == 1 second

Defined in

src/utils/provider.ts:33

---

createSierraContractClass

▸ createSierraContractClass(contract): SierraContractClass

Create Sierra compressed Contract Class from a given Compiled Sierra

CompiledSierra -> SierraContractClass

Parameters

Name	Type	Description
contract	CompiledSierra	sierra code from the Cairo compiler

Returns

SierraContractClass

compressed Sierra

Example

const result = provider.createSierraContractClass({
   "sierra_program": [
       "0x1",
       "0x4",
       "0x0",
       "0x2",
       "0x4",
       "0x1",
       "0x3b4",
       "0x4c",
       "0x65",
       "0x52616e6765436865636b",...})
// result = {sierra_program: 'H4sIAAAAAAAAA6x9WZbsrI7uVGqd53qgb8ZynwzYY7jDv5JAAmxHZuQ+96yq/L0jIzEINZ8axP/5j/q/+j//+z/wH9f/o/p/zPbh+Iot49+u9v8G3//rTdDhDDF4Z0MKPthQ+m+S2v6n1S//638VvdXW2PQ6RvxuDG+jiybCXKJ7Hef6ZRi9E+Q89WmKLilfqbrsL6PUCf8...}

Defined in

src/utils/provider.ts:63

---

parseContract

▸ parseContract(contract): ContractClass

Create a compressed contract from a given compiled Cairo 0 & 1 contract or a string. Parse contract string to json and compile contract.sierra_program or contract.program property

Parameters

Name	Type	Description
contract	string | CompiledContract	Compiled Cairo 0 or Cairo 1 contract, or string

Returns

ContractClass

Cairo 0 or Cairo 1 compressed contract

Example

const result = provider.parseContract({
   "sierra_program": [
       "0x1",
       "0x4",
       "0x0",
       "0x2",
       "0x4",
       "0x1",
       "0x3b4",
       "0x4c",
       "0x65",
       "0x52616e6765436865636b",...})
// result = {sierra_program: 'H4sIAAAAAAAAA6x9WZbsrI7uVGqd53qgb8ZynwzYY7jDv5JAAmxHZuQ+96yq/L0jIzEINZ8axP/5j/q/+j//+z/wH9f/o/p/zPbh+Iot49+u9v8G3//rTdDhDDF4Z0MKPthQ+m+S2v6n1S//638VvdXW2PQ6RvxuDG+jiybCXKJ7Hef6ZRi9E+Q89WmKLilfqbrsL6PUCf8...}

Defined in

src/utils/provider.ts:94

---

extractAbi

▸ extractAbi(contract): Abi

Extract the ABI from a given ContractClass.

Parameters

Name	Type	Description
contract	ContractClass	ContractClass

Returns

Abi

Abi

Defined in

src/utils/provider.ts:113

---

getDefaultNodes

▸ getDefaultNodes(rpcVersion): any

return Defaults RPC Nodes endpoints

Parameters

Name	Type
rpcVersion	"0.8.1" | "0.9.0"

Returns

any

Defined in

src/utils/provider.ts:147

---

getSupportedRpcVersions

▸ getSupportedRpcVersions(): SupportedRpcVersion[]

Return supported RPC versions

Returns

SupportedRpcVersion[]

available RPC versions

Defined in

src/utils/provider.ts:163

---

getDefaultNodeUrl

▸ getDefaultNodeUrl(networkName?, mute?, rpcVersion?): string

Return randomly select available public node

Parameters

Name	Type	Default value	Description
networkName?	"SN_MAIN" | "SN_SEPOLIA"	undefined	NetworkName
mute	boolean	false	mute public node warning
rpcVersion?	"0.8.1" | "0.9.0"	undefined	-

Returns

string

default node url

Example

const result= provider.getDefaultNodeUrl(constants.NetworkName.SN_MAIN,false);
// console : "Using default public node url, please provide nodeUrl in provider options!"
// result = "https://starknet-mainnet.public.blastapi.io/rpc/v0_7"

Defined in

src/utils/provider.ts:129