Liability

---

Calls

---

create

Create agreement between two parties.

Attributes

Name	Type
agreement	T::Agreement

Python

call = substrate.compose_call(
    'Liability', 'create', {
    'agreement': {
        'economics': {'price': 'u128'},
        'promisee': 'AccountId',
        'promisee_signature': {
            'Ecdsa': '[u8; 65]',
            'Ed25519': '[u8; 64]',
            'Sr25519': '[u8; 64]',
        },
        'promisor': 'AccountId',
        'promisor_signature': {
            'Ecdsa': '[u8; 65]',
            'Ed25519': '[u8; 64]',
            'Sr25519': '[u8; 64]',
        },
        'technics': {
            'hash': 'scale_info::9',
        },
    },
}
)

---

finalize

Publish technical report of complite works.

Attributes

Name	Type
report	ReportFor<T>

Python

call = substrate.compose_call(
    'Liability', 'finalize', {
    'report': {
        'index': 'u32',
        'payload': {
            'hash': 'scale_info::9',
        },
        'sender': 'AccountId',
        'signature': {
            'Ecdsa': '[u8; 65]',
            'Ed25519': '[u8; 64]',
            'Sr25519': '[u8; 64]',
        },
    },
}
)

---

Events

---

NewLiability

Yay! New liability created.

Attributes

Name	Type	Composition
None	T::Index	u32
None	TechnicsFor<T>	{'hash': 'scale_info::9'}
None	EconomicsFor<T>	{'price': 'u128'}
None	T::AccountId	AccountId
None	T::AccountId	AccountId

---

NewReport

Liability report published.

Attributes

Name	Type	Composition
None	T::Index	u32
None	ReportFor<T>	{'index': 'u32', 'sender': 'AccountId', 'payload': {'hash': 'scale_info::9'}, 'signature': {'Ed25519': '[u8; 64]', 'Sr25519': '[u8; 64]', 'Ecdsa': '[u8; 65]'}}

---

Storage functions

---

AgreementOf

Technical and economical parameters of liability.

Python

result = substrate.query(
    'Liability', 'AgreementOf', ['u32']
)

Return value

{
    'economics': {'price': 'u128'},
    'promisee': 'AccountId',
    'promisee_signature': {
        'Ecdsa': '[u8; 65]',
        'Ed25519': '[u8; 64]',
        'Sr25519': '[u8; 64]',
    },
    'promisor': 'AccountId',
    'promisor_signature': {
        'Ecdsa': '[u8; 65]',
        'Ed25519': '[u8; 64]',
        'Sr25519': '[u8; 64]',
    },
    'technics': {'hash': 'scale_info::9'},
}

---

LatestIndex

[DEPRECATED] Latest liability index. TODO: remove after mainnet upgrade

Python

result = substrate.query(
    'Liability', 'LatestIndex', []
)

Return value

'u32'

---

NextIndex

Next liability index.

Python

result = substrate.query(
    'Liability', 'NextIndex', []
)

Return value

'u32'

---

ReportOf

Result of liability execution.

Python

result = substrate.query(
    'Liability', 'ReportOf', ['u32']
)

Return value

{
    'index': 'u32',
    'payload': {'hash': 'scale_info::9'},
    'sender': 'AccountId',
    'signature': {
        'Ecdsa': '[u8; 65]',
        'Ed25519': '[u8; 64]',
        'Sr25519': '[u8; 64]',
    },
}

---

Errors

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AgreementNotFound

Unable to load agreement from storage.

---

AlreadyFinalized

Liability already finalized.

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BadAgreementProof

Agreement proof verification failed.

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BadReportProof

Report proof verification failed.

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BadReportSender

Wrong report sender account.

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OracleIsNotReady

Real world oracle is not ready for this report.

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