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[#1170] pkg/morph: Change HTTP for WS client

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Updated client now supports subscription to chain notifications and RPC
switch between provided RPC endpoints.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2021-02-09 20:52:10 +03:00 • committed by Alex Vanin
parent 71c75dc7e8
commit 402f488bec
7 changed files with 661 additions and 327 deletions
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37
pkg/morph/client/nns.go
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@ -55,11 +55,11 @@ func NNSAlphabetContractName(index int) string {
// in NNS contract.
// If script hash has not been found, returns ErrNNSRecordNotFound.
func (c *Client) NNSContractAddress(name string) (sh util.Uint160, err error) {
if c.multiClient != nil {
return sh, c.multiClient.iterateClients(func(c *Client) error {
sh, err = c.NNSContractAddress(name)
return err
})
c.switchLock.RLock()
defer c.switchLock.RUnlock()
if c.inactive {
return util.Uint160{}, ErrConnectionLost
}
nnsHash, err := c.NNSHash()
@ -76,13 +76,11 @@ func (c *Client) NNSContractAddress(name string) (sh util.Uint160, err error) {
// NNSHash returns NNS contract hash.
func (c *Client) NNSHash() (util.Uint160, error) {
if c.multiClient != nil {
var sh util.Uint160
return sh, c.multiClient.iterateClients(func(c *Client) error {
var err error
sh, err = c.NNSHash()
return err
})
c.switchLock.RLock()
defer c.switchLock.RUnlock()
if c.inactive {
return util.Uint160{}, ErrConnectionLost
}
c.mtx.RLock()
@ -101,7 +99,7 @@ func (c *Client) NNSHash() (util.Uint160, error) {
return nnsHash, nil
}
func nnsResolveItem(c *client.Client, nnsHash util.Uint160, domain string) (stackitem.Item, error) {
func nnsResolveItem(c *client.WSClient, nnsHash util.Uint160, domain string) (stackitem.Item, error) {
found, err := exists(c, nnsHash, domain)
if err != nil {
return nil, fmt.Errorf("could not check presence in NNS contract for %s: %w", domain, err)
@ -133,7 +131,7 @@ func nnsResolveItem(c *client.Client, nnsHash util.Uint160, domain string) (stac
return result.Stack[0], nil
}
func nnsResolve(c *client.Client, nnsHash util.Uint160, domain string) (util.Uint160, error) {
func nnsResolve(c *client.WSClient, nnsHash util.Uint160, domain string) (util.Uint160, error) {
res, err := nnsResolveItem(c, nnsHash, domain)
if err != nil {
return util.Uint160{}, err
@ -155,7 +153,7 @@ func nnsResolve(c *client.Client, nnsHash util.Uint160, domain string) (util.Uin
return util.Uint160DecodeStringLE(string(bs))
}
func exists(c *client.Client, nnsHash util.Uint160, domain string) (bool, error) {
func exists(c *client.WSClient, nnsHash util.Uint160, domain string) (bool, error) {
result, err := c.InvokeFunction(nnsHash, "isAvailable", []smartcontract.Parameter{
{
Type: smartcontract.StringType,
@ -185,10 +183,11 @@ func exists(c *client.Client, nnsHash util.Uint160, domain string) (bool, error)
// SetGroupSignerScope makes the default signer scope include all NeoFS contracts.
// Should be called for side-chain client only.
func (c *Client) SetGroupSignerScope() error {
if c.multiClient != nil {
return c.multiClient.iterateClients(func(c *Client) error {
return wrapNeoFSError(c.SetGroupSignerScope())
})
c.switchLock.RLock()
defer c.switchLock.RUnlock()
if c.inactive {
return ErrConnectionLost
}
pub, err := c.contractGroupKey()