Class: Offering

Defined in: src/api/entities/Offering/index.ts:65

Represents an Asset Offering in the Polymesh blockchain

Extends

• Entity<UniqueIdentifiers, HumanReadable>

Properties

asset

asset: FungibleAsset

Defined in: src/api/entities/Offering/index.ts:84

Asset being offered

---

id

id: BigNumber

Defined in: src/api/entities/Offering/index.ts:79

identifier number of the Offering

---

uuid

uuid: string

Defined in: src/api/entities/Entity.ts:46

Inherited from

Entity.uuid

Methods

close()

close(opts?: ProcedureOpts): Promise<GenericPolymeshTransaction<void, void>>

Defined in: src/api/entities/Offering/index.ts:200

Close the Offering

Parameters

Parameter	Type
opts?	ProcedureOpts

Returns

Promise<GenericPolymeshTransaction<void, void>>

Note

this method is of type NoArgsProcedureMethod, which means you can call close.checkAuthorization on it to see whether the signing Account and Identity have the required roles and permissions to run it

---

details()

Call Signature

details(): Promise<OfferingDetails>

Defined in: src/api/entities/Offering/index.ts:139

Retrieve the Offering's details

Returns

Promise<OfferingDetails>

Promise that resolves to the Offering details

Call Signature

details(callback: SubCallback<OfferingDetails>): Promise<UnsubCallback>

Defined in: src/api/entities/Offering/index.ts:150

Retrieve the Offering's details (with subscription support)

Parameters

Parameter	Type	Description
callback	SubCallback<OfferingDetails>	Callback function that receives offering detail updates

Returns

Promise<UnsubCallback>

Promise that resolves to an unsubscribe function

Note

can be subscribed to, if connected to node using a web socket

---

enableOffChainFunding()

enableOffChainFunding(args: EnableOffChainFundingParams, opts?: ProcedureOpts): Promise<GenericPolymeshTransaction<void, void>>

Defined in: src/api/entities/Offering/index.ts:220

Enable off-chain funding for the Offering

Parameters

Parameter	Type
args	EnableOffChainFundingParams
opts?	ProcedureOpts

Returns

Promise<GenericPolymeshTransaction<void, void>>

Throws

if:

• Trying to enable off-chain funding on an Offering that does not exist
• Trying to enable off-chain funding on an Offering that has already ended
• Trying to enable off-chain funding on an Offering that is already closed

Note

this method is of type ProcedureMethod, which means you can call enableOffChainFunding.checkAuthorization on it to see whether the signing Account and Identity have the required roles and permissions to run it

---

exists()

exists(): Promise<boolean>

Defined in: src/api/entities/Offering/index.ts:329

Determine whether this Offering exists on chain

Returns

Promise<boolean>

Overrides

Entity.exists

---

freeze()

freeze(opts?: ProcedureOpts): Promise<GenericPolymeshTransaction<Offering, Offering>>

Defined in: src/api/entities/Offering/index.ts:205

Freeze the Offering

Parameters

Parameter	Type
opts?	ProcedureOpts

Returns

Promise<GenericPolymeshTransaction<Offering, Offering>>

Note

this method is of type NoArgsProcedureMethod, which means you can call freeze.checkAuthorization on it to see whether the signing Account and Identity have the required roles and permissions to run it

---

generateOffChainFundingReceipt()

generateOffChainFundingReceipt(args: object): Promise<OffChainFundingReceipt>

Defined in: src/api/entities/Offering/index.ts:375

Generate an off-chain funding receipt for this offering

Parameters

Parameter	Type	Description
args	{ amount: BigNumber; metadata?: string; offChainTicker: string; sender: string | Identity; signer?: string | Account; signerKeyRingType?: SignerKeyRingType; uid: BigNumber; }	‐
args.amount	BigNumber	equivalent investment amount in the raising asset (calculated from the off-chain asset value based on STO tier pricing)
args.metadata?	string	(optional) additional metadata to be associated with the receipt
args.offChainTicker	string	ticker symbol of the off-chain asset being transferred (e.g., 'BTC', 'ETH')
args.sender	string | Identity	Identity or DID of the investor providing the off-chain funding
args.signer?	string | Account	(optional) authorized venue receipt signer to generate the cryptographic signature. Defaults to signing Account associated with the SDK
args.signerKeyRingType?	SignerKeyRingType	(optional) keyring type for signature generation. Defaults to 'Sr25519'. Supported types: SR25519, ED25519, ECDSA
args.uid	BigNumber	unique receipt ID (UID) for this off-chain funding transaction

Returns

Promise<OffChainFundingReceipt>

Note

The generated receipt contains SCALE-encoded data wrapped with <Bytes> tags, including:

• Receipt UID
• Fundraiser ID
• Sender's DID (investor)
• Receiver's DID (raising portfolio owner)
• Off-chain asset ticker
• Equivalent investment amount in raising asset (calculated from STO tier pricing)

Note

The amount must represent the exact investment cost as calculated by the STO's blended pricing mechanism

---

getInvestments()

getInvestments(opts?: object): Promise<ResultSet<Investment>>

Defined in: src/api/entities/Offering/index.ts:250

Retrieve all investments made on this Offering

Parameters

Parameter	Type	Description
opts	{ size?: BigNumber; start?: BigNumber; }	‐
opts.size?	BigNumber	page size
opts.start?	BigNumber	page offset

Returns

Promise<ResultSet<Investment>>

Note

supports pagination

Note

uses the middleware V2

---

invest()

invest(args: object & { fundingPortfolio: PortfolioLike; } | { offChainFundingReceipt: OffChainFundingReceipt; offChainTicker: string; }, opts?: ProcedureOpts): Promise<GenericPolymeshTransaction<void, void>>

Defined in: src/api/entities/Offering/index.ts:239

Invest in the Offering

Parameters

Parameter	Type
args	object & { fundingPortfolio: PortfolioLike; } | { offChainFundingReceipt: OffChainFundingReceipt; offChainTicker: string; }
opts?	ProcedureOpts

Returns

Promise<GenericPolymeshTransaction<void, void>>

Note

required roles:

• Purchase Portfolio Custodian
• Funding Portfolio Custodian

Note

this method is of type ProcedureMethod, which means you can call invest.checkAuthorization on it to see whether the signing Account and Identity have the required roles and permissions to run it

---

isEqual()

isEqual(entity: Entity<unknown, unknown>): boolean

Defined in: src/api/entities/Entity.ts:61

Determine whether this Entity is the same as another one

Parameters

Parameter	Type
entity	Entity<unknown, unknown>

Returns

boolean

Inherited from

Entity.isEqual

---

modifyTimes()

modifyTimes(args: ModifyOfferingTimesParams, opts?: ProcedureOpts): Promise<GenericPolymeshTransaction<void, void>>

Defined in: src/api/entities/Offering/index.ts:230

Modify the start/end time of the Offering

Parameters

Parameter	Type
args	ModifyOfferingTimesParams
opts?	ProcedureOpts

Returns

Promise<GenericPolymeshTransaction<void, void>>

Throws

if:

• Trying to modify the start time on an Offering that already started
• Trying to modify anything on an Offering that already ended
• Trying to change start or end time to a past date

Note

this method is of type ProcedureMethod, which means you can call modifyTimes.checkAuthorization on it to see whether the signing Account and Identity have the required roles and permissions to run it

---

offChainFundingDetails()

offChainFundingDetails(): Promise<OffChainFundingDetails>

Defined in: src/api/entities/Offering/index.ts:302

Retrieve off chain funding details

Returns

Promise<OffChainFundingDetails>

---

toHuman()

toHuman(): HumanReadable

Defined in: src/api/entities/Offering/index.ts:345

Return the Offering's ID and Asset ticker

Returns

HumanReadable

Overrides

Entity.toHuman

---

unfreeze()

unfreeze(opts?: ProcedureOpts): Promise<GenericPolymeshTransaction<Offering, Offering>>

Defined in: src/api/entities/Offering/index.ts:210

Unfreeze the Offering

Parameters

Parameter	Type
opts?	ProcedureOpts

Returns

Promise<GenericPolymeshTransaction<Offering, Offering>>

Note

this method is of type NoArgsProcedureMethod, which means you can call unfreeze.checkAuthorization on it to see whether the signing Account and Identity have the required roles and permissions to run it

---

generateUuid()

static generateUuid<Identifiers>(identifiers: Identifiers): string

Defined in: src/api/entities/Entity.ts:14

Generate the Entity's UUID from its identifying properties

Type Parameters

Type Parameter
Identifiers

Parameters

Parameter	Type	Description
identifiers	Identifiers	‐

Returns

string

Inherited from

Entity.generateUuid

---

unserialize()

static unserialize<Identifiers>(serialized: string): Identifiers

Defined in: src/api/entities/Entity.ts:23

Unserialize a UUID into its Unique Identifiers

Type Parameters

Type Parameter
Identifiers

Parameters

Parameter	Type	Description
serialized	string	UUID to unserialize

Returns

Identifiers

Inherited from

Entity.unserialize