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# File 'lib/istox/helpers/order_book_prorate.rb', line 4
def allocation(token_price:, min_investment:, bid_block:,
invest_step:, hard_cap:, investments:, whitelists: [], include_refund_amount: false,
rollover_investments: [])
original_investments = investments.as_json.map(&:symbolize_keys)
whitelists = whitelists.as_json.map(&:symbolize_keys)
investments = investments.as_json.map(&:symbolize_keys)
rollover_investments = rollover_investments.as_json.map(&:symbolize_keys)
rollover_investments.map do |rollover_investment|
hard_cap = ::Istox::FMath.sub(hard_cap, rollover_investment[:fiat_amount])
end
whitelists.each do |whitelist|
whitelisted_investments = investments.select { |investment1| investment1[:account_id] == whitelist[:account_id] }
next unless whitelisted_investments.length.positive?
current_guarenteed_amount = ::BigDecimal.new(whitelist[:guaranteed_allocation].to_s)
whitelisted_investments.each do |whitelisted_investment|
granted_amount = [::BigDecimal.new(whitelisted_investment[:fiat_amount].to_s), current_guarenteed_amount].min
next unless granted_amount.positive?
current_guarenteed_amount = ::Istox::FMath.sub(current_guarenteed_amount, granted_amount).to_d
hard_cap = ::Istox::FMath.sub(hard_cap, granted_amount)
whitelisted_investment[:fiat_amount] = Istox::FMath.sub(whitelisted_investment[:fiat_amount], granted_amount)
whitelisted_investment[:is_vip] = true
whitelisted_investment[:granted_amount] = granted_amount.to_s
end
end
interests = investments.sort do |a, b|
a[:id] <=> b[:id]
end
interests = interests.map do |interest|
earlier_interest = interests.find do |i|
i[:account_id] == interest[:account_id] &&
i[:id] != interest[:id] && i[:id].to_i < interest[:id].to_i
end
interest[:has_earlier_interest] = earlier_interest.present?
interest
end
total_interests = 0
max_allowed_investor = Istox::FMath.round_down(::Istox::FMath.div(hard_cap, min_investment), 0).to_i
allowed_investor_ids = []
interests.each_with_index.map do |interest|
if !allowed_investor_ids.include?(interest[:account_id]) &&
interest[:fiat_amount].to_d.positive? && allowed_investor_ids.length < max_allowed_investor
allowed_investor_ids.push(interest[:account_id])
interest[:to_be_set_zero] = false
total_interests = ::Istox::FMath.add(total_interests, interest[:fiat_amount])
elsif allowed_investor_ids.include?(interest[:account_id]) && interest[:fiat_amount].to_d.positive?
interest[:to_be_set_zero] = false
total_interests = ::Istox::FMath.add(total_interests, interest[:fiat_amount])
else
interest[:to_be_set_zero] = true
end
end
if total_interests.to_d > hard_cap.to_s.to_d
puts total_interests.inspect
interests = interests.each_with_index.map do |interest|
investment = if interest[:fiat_amount].to_d.positive? && !interest[:to_be_set_zero]
result = ::Istox::FMath.round_down(::Istox::FMath.mul(::Istox::FMath.div(interest[:fiat_amount], total_interests),
hard_cap), 0)
result = result.to_d - result.to_d.modulo(invest_step.to_s.to_d)
if result < min_investment.to_d && interest[:is_vip].blank? && !interest[:has_earlier_interest]
result = min_investment.to_d
end
result
else
::BigDecimal.new('0').to_s
end
{
id: interest[:id],
is_vip: interest[:is_vip],
granted_amount: interest[:granted_amount],
has_earlier_interest: interest[:has_earlier_interest],
investment: investment.to_s,
temp_refunded_amount: ::Istox::FMath.sub(interest[:fiat_amount], investment)
}
end
new_total_interests = '0'
interests.each do |interest|
new_total_interests = ::Istox::FMath.add(new_total_interests, interest[:investment])
end
if new_total_interests.to_d > hard_cap.to_s.to_d
total_deducting = ::Istox::FMath.sub(new_total_interests, hard_cap)
interests.reverse_each do |interest|
next unless interest[:investment].to_d > min_investment.to_d || interest[:is_vip] || interest[:has_earlier_interest]
deductable = if interest[:is_vip] || interest[:has_earlier_interest]
interest[:investment]
else
::Istox::FMath.sub(interest[:investment], min_investment)
end
if deductable.to_d > total_deducting.to_d
interest[:investment] = ::Istox::FMath.sub(interest[:investment], total_deducting)
total_deducting = 0
else
interest[:investment] = ::Istox::FMath.sub(interest[:investment], deductable)
total_deducting = ::Istox::FMath.sub(total_deducting, deductable)
end
end
elsif new_total_interests.to_d < hard_cap.to_s.to_d
remaining_amount = ::Istox::FMath.sub(hard_cap, new_total_interests)
interests.each do |interest|
next unless interest[:temp_refunded_amount].to_d > invest_step.to_s.to_d
can_be_add_amount = invest_step.to_s.to_d
interest[:investment] = ::Istox::FMath.add(interest[:investment], can_be_add_amount)
interest[:temp_refunded_amount] = ::Istox::FMath.sub(interest[:temp_refunded_amount], can_be_add_amount)
remaining_amount = ::Istox::FMath.sub(remaining_amount, can_be_add_amount)
break if remaining_amount.to_s.to_d < invest_step.to_s.to_d
end
end
final_interests = interests.map do |interest|
interest[:investment] = ::Istox::FMath.add(interest[:investment], interest[:granted_amount]) if interest[:granted_amount].present? &&
interest[:granted_amount].to_d.positive?
interest.delete(:is_vip)
interest.delete(:granted_amount)
interest.delete(:temp_refunded_amount)
interest.delete(:has_earlier_interest)
if include_refund_amount
original_investment = original_investments.find { |original_investment1| original_investment1[:id] == interest[:id] }
interest[:refund_amount] = original_investment.present? ? ::Istox::FMath.sub(original_investment[:fiat_amount], interest[:investment]) : '0'
end
interest
end
else
final_interests = interests.each_with_index.map do |interest|
final_amount = if interest[:is_vip]
vip_fiat_amount = !interest[:to_be_set_zero] ? interest[:fiat_amount] : '0'
::Istox::FMath.add(vip_fiat_amount, interest[:granted_amount])
else
!interest[:to_be_set_zero] ? interest[:fiat_amount] : '0'
end
result = {
id: interest[:id],
investment: ::BigDecimal.new(final_amount.to_s).to_s
}
if include_refund_amount
original_investment = original_investments.find { |original_investment1| original_investment1[:id] == interest[:id] }
refund_amount = ::Istox::FMath.sub(original_investment[:fiat_amount], final_amount)
result[:refund_amount] = refund_amount
end
result
end
end
transform_rollover_investments = rollover_investments.map do |rollover_investment|
rollover_investment[:investment] = ::BigDecimal.new(rollover_investment[:fiat_amount].to_s).to_s
rollover_investment[:refund_amount] = ::BigDecimal.new(0).to_s if include_refund_amount
rollover_investment.select { |k, _v| %i[id investment refund_amount].include?(k) }
end
{
cutoff_price: token_price.to_s,
interests: final_interests.concat(transform_rollover_investments)
}
end
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