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https://gitlab.com/pulsechaincom/prysm-pulse.git
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a069738c20
* update shared/params * update eth2-types deps * update protobufs * update shared/* * fix testutil/state * update beacon-chain/state * update beacon-chain/db * update tests * fix test * update beacon-chain/core * update beacon-chain/blockchain * update beacon-chain/cache * beacon-chain/forkchoice * update beacon-chain/operations * update beacon-chain/p2p * update beacon-chain/rpc * update sync/initial-sync * update deps * update deps * go fmt * update beacon-chain/sync * update endtoend/ * bazel build //beacon-chain - works w/o issues * update slasher code * udpate tools/ * update validator/ * update fastssz * fix build * fix test building * update tests * update ethereumapis deps * fix tests * update state/stategen * fix build * fix test * add FarFutureSlot * go imports * Radek's suggestions * Ivan's suggestions * type conversions * Nishant's suggestions * add more tests to rpc_send_request * fix test * clean up * fix conflicts Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: nisdas <nishdas93@gmail.com>
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package node
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import (
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"encoding/hex"
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"errors"
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"fmt"
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"strconv"
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"strings"
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types "github.com/prysmaticlabs/eth2-types"
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)
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// Given input string `block_root:epoch_number`, this verifies the input string is valid, and
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// returns the block root as bytes and epoch number as unsigned integers.
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func convertWspInput(wsp string) ([]byte, types.Epoch, error) {
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if wsp == "" {
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return nil, 0, nil
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}
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// Weak subjectivity input string must contain ":" to separate epoch and block root.
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if !strings.Contains(wsp, ":") {
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return nil, 0, fmt.Errorf("%s did not contain column", wsp)
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}
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// Strip prefix "0x" if it's part of the input string.
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wsp = strings.TrimPrefix(wsp, "0x")
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// Get the hexadecimal block root from input string.
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s := strings.Split(wsp, ":")
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if len(s) != 2 {
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return nil, 0, errors.New("weak subjectivity checkpoint input should be in `block_root:epoch_number` format")
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}
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bRoot, err := hex.DecodeString(s[0])
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if err != nil {
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return nil, 0, err
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}
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if len(bRoot) != 32 {
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return nil, 0, errors.New("block root is not length of 32")
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}
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// Get the epoch number from input string.
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epoch, err := strconv.ParseUint(s[1], 10, 64)
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if err != nil {
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return nil, 0, err
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}
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return bRoot, types.Epoch(epoch), nil
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}
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