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https://github.com/hanzoai/commerce.git
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zeekay
1943f1c093
Multi-tenant commerce and billing: orders, subscriptions, invoices, plans, usage metering and a credit ledger. One Go binary. MIT OR Apache-2.0. Claude-Session: https://claude.ai/code/session_01SAtaDFm8VDiWrhYHNNtxMw
20 lines
442 B
Go
20 lines
442 B
Go
package events
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import (
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"crypto/sha256"
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"encoding/hex"
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"strings"
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)
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// SHA256Hex returns the lowercase hex SHA256 hash of a trimmed, lowercased string.
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// Facebook CAPI requires user_data fields (em, ph) to be SHA256-hashed.
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// Returns empty string for empty input.
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func SHA256Hex(s string) string {
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s = strings.ToLower(strings.TrimSpace(s))
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if s == "" {
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return ""
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}
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h := sha256.Sum256([]byte(s))
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return hex.EncodeToString(h[:])
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}
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