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[#496] morph/client: provide notary options on client creation

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2021-06-01 12:29:32 +03:00 • committed by Alex Vanin
parent 7cf0093012
commit 458fc4f5ae
5 changed files with 68 additions and 46 deletions
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36
pkg/morph/client/notary.go
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@ -31,6 +31,8 @@ type (
}
notaryCfg struct {
proxy util.Uint160
txValidTime, roundTime, fallbackTime uint32
alphabetSource AlphabetKeys
@ -63,10 +65,10 @@ func defaultNotaryConfig(c *Client) *notaryCfg {
}
}
// EnableNotarySupport creates notary structure in client that provides
// enableNotarySupport creates notary structure in client that provides
// ability for client to get alphabet keys from committee or provided source
// and use proxy contract script hash to create tx for notary contract.
func (c *Client) EnableNotarySupport(proxy util.Uint160, opts ...NotaryOption) error {
func (c *Client) enableNotarySupport(opts ...NotaryOption) error {
cfg := defaultNotaryConfig(c)
for _, opt := range opts {
@ -78,9 +80,13 @@ func (c *Client) EnableNotarySupport(proxy util.Uint160, opts ...NotaryOption) e
return fmt.Errorf("can't get notary contract script hash: %w", err)
}
if cfg.proxy.Equals(util.Uint160{}) {
return errors.New("proxy contract hash is missing")
}
c.notary = &notary{
notary: notaryContract,
proxy: proxy,
proxy: cfg.proxy,
txValidTime: cfg.txValidTime,
roundTime: cfg.roundTime,
fallbackTime: cfg.fallbackTime,
@ -91,7 +97,7 @@ func (c *Client) EnableNotarySupport(proxy util.Uint160, opts ...NotaryOption) e
}
// NotaryEnabled returns true if notary support was enabled in this instance
// of client by calling `EnableNotarySupport()`. Otherwise returns false.
// of client by providing notary options on client creation. Otherwise returns false.
func (c *Client) NotaryEnabled() bool {
return c.notary != nil
}
@ -102,8 +108,7 @@ func (c *Client) NotaryEnabled() bool {
// be called periodically. Notary support should be enabled in client to
// use this function.
//
// This function must be invoked after `EnableNotarySupport()` otherwise it
// throws panic.
// This function must be invoked with notary enabled otherwise it throws panic.
func (c *Client) DepositNotary(amount fixedn.Fixed8, delta uint32) (util.Uint256, error) {
if c.notary == nil {
panic(notaryNotEnabledPanicMsg)
@ -138,8 +143,7 @@ func (c *Client) DepositNotary(amount fixedn.Fixed8, delta uint32) (util.Uint256
// GetNotaryDeposit returns deposit of client's account in notary contract.
// Notary support should be enabled in client to use this function.
//
// This function must be invoked after `EnableNotarySupport()` otherwise it
// throws panic.
// This function must be invoked with notary enabled otherwise it throws panic.
func (c *Client) GetNotaryDeposit() (int64, error) {
if c.notary == nil {
panic(notaryNotEnabledPanicMsg)
@ -167,8 +171,7 @@ func (c *Client) GetNotaryDeposit() (int64, error) {
// UpdateNotaryList updates list of notary nodes in designate contract. Requires
// committee multi signature.
//
// This function must be invoked after `EnableNotarySupport()` otherwise it
// throws panic.
// This function must be invoked with notary enabled otherwise it throws panic.
func (c *Client) UpdateNotaryList(list keys.PublicKeys) error {
if c.notary == nil {
panic(notaryNotEnabledPanicMsg)
@ -185,8 +188,7 @@ func (c *Client) UpdateNotaryList(list keys.PublicKeys) error {
// As for side chain list should contain all inner ring nodes.
// Requires committee multi signature.
//
// This function must be invoked after `EnableNotarySupport()` otherwise it
// throws panic.
// This function must be invoked with notary enabled otherwise it throws panic.
func (c *Client) UpdateNeoFSAlphabetList(list keys.PublicKeys) error {
if c.notary == nil {
panic(notaryNotEnabledPanicMsg)
@ -203,8 +205,7 @@ func (c *Client) UpdateNeoFSAlphabetList(list keys.PublicKeys) error {
// blockchain. Fallback tx is a `RET`. If Notary support is not enabled
// it fallbacks to a simple `Invoke()`.
//
// This function must be invoked after `EnableNotarySupport()` otherwise it
// throws panic.
// This function must be invoked with notary enabled otherwise it throws panic.
func (c *Client) NotaryInvoke(contract util.Uint160, fee fixedn.Fixed8, method string, args ...interface{}) error {
if c.notary == nil {
return c.Invoke(contract, fee, method, args...)
@ -497,6 +498,13 @@ func WithAlphabetSource(t AlphabetKeys) NotaryOption {
}
}
// WithProxyContract sets proxy contract hash.
func WithProxyContract(h util.Uint160) NotaryOption {
return func(c *notaryCfg) {
c.proxy = h
}
}
const alreadyOnChainErrorMessage = "already on chain"
// Neo RPC node can return `core.ErrInvalidAttribute` error with