45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// Client is used by watchers to stream chain IPLD data from a vulcanizedb ipld-eth-server
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package client
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import (
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"context"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
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"github.com/cerc-io/ipld-eth-server/v4/pkg/serve"
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)
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// Client is used to subscribe to the ipld-eth-server ipld data stream
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type Client struct {
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c *rpc.Client
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}
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// NewClient creates a new Client
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func NewClient(c *rpc.Client) *Client {
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return &Client{
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c: c,
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}
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}
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// Stream is the main loop for subscribing to iplds from an ipld-eth-server server
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func (c *Client) Stream(payloadChan chan serve.SubscriptionPayload, params eth.SubscriptionSettings) (*rpc.ClientSubscription, error) {
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return c.c.Subscribe(context.Background(), "vdb", payloadChan, "stream", params)
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}
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